which of the following is true about network security

Network security is a broad term that covers a multitude of technologies, devices and processes. An ___ is an approximate number or answer. The main reason why the tails operating system is famous among the user is that it is almost untraceable, which keep your privacy secure. C. Both A and B Next step for AdvancedAnalytics: Use the following information to resolve the error, uninstall this feature, and then run the setup process again. Both use Cisco Talos to provide coverage in advance of exploits. It is a device installed at the boundary of an incorporate to protect it against the unauthorized access. 7. What is the main difference between the implementation of IDS and IPS devices? Only allow devices that have been approved by the corporate IT team. 139. There can only be one statement in the network object. All login attempts will be blocked for 4 hours if there are 90 failed attempts within 150 seconds. Which two protocols generate connection information within a state table and are supported for stateful filtering? D. Fingerprint. 5. 45. List the four characteristics. Explanation: The components of the login block-for 150 attempts 4 within 90 command are as follows:The expression block-for 150 is the time in seconds that logins will be blocked.The expression attempts 4 is the number of failed attempts that will trigger the blocking of login requests.The expression within 90 is the time in seconds in which the 4 failed attempts must occur. Network security defined, explained, and explored, We help people work freely, securely and with confidence, Forcepoint ONE Simplifies Security for Customers, Forcepoint's Next Generation Firewall (NGFW). Which command is used to activate an IPv6 ACL named ENG_ACL on an interface so that the router filters traffic prior to accessing the routing table? D. All of the above. (Not all options are used. B. & other graduate and post-graduate exams. What type of policy defines the methods involved when a user sign in to the network? What is a characteristic of a role-based CLI view of router configuration? 26. Match each SNMP operation to the corresponding description. Data between the two points is encrypted and the user would need to authenticate to allow communication between their device and the network. A network administrator configures a named ACL on the router. It involves creating a secure infrastructure for devices, applications, users, and applications to work in a secure manner. Ask the user to stop immediately and inform the user that this constitutes grounds for dismissal. Traffic from the Internet and LAN can access the DMZ. Explanation: The IPsec framework uses various protocols and algorithms to provide data confidentiality, data integrity, authentication, and secure key exchange. Explanation: Many network attacks can be prevented by sharing information about indicators of compromise (IOC). To complete a partially typed command, ASA uses the Ctrl+Tab key combination whereas a router uses the Tab key. Give the router a host name and domain name. ***Rooms should have locks, adequate power receptacles, adequate cooling measures, and an EMI-free environment. How does a firewall handle traffic when it is originating from the public network and traveling to the DMZ network? Explanation: The show running-config object command is used to display or verify the IP address/mask pair within the object. Gkseries.com is a premier website to provide complete solution for online preparation of different competitive exams like UPSC, SBI PO, SBI clerical, PCS, IPS, IAS, IBPS PO, IBPS Clerical exam etc. It is a kind of wall built to prevent files form damaging the corporate. address 64.100.0.1, R1(config)# crypto isakmp key 5tayout! 9. Different from the router IOS, the ASA provides a help command that provides a brief command description and syntax for certain commands. B. 3. Sometimes malware will infect a network but lie dormant for days or even weeks. Next step for sql_inst_mr: Use the following information to resolve the error, uninstall this feature, and then run the setup process again. It is usually used to protect the information while transferring one place to another place. False A. C. You need to employ hardware, software, and security processes to lock those apps down. Explanation: Extended ACLs should be placed as close as possible to the source IP address, so that traffic that needs to be filtered does not cross the network and use network resources. Interaction between the client and server starts via the ______ message. It is also known as the upgraded version of the WPA protocol. What is true about VPN in Network security methods? C. Only a small amount of students are frequent heavy drinkers RADIUS hides passwords during transmission and does not encrypt the complete packet. 133. All devices must have open authentication with the corporate network. Add an association of the ACL outbound on the same interface. Explanation: The Creeper is called the first computer virus as it replicates itself (or clones itself) and spread from one system to another. Explanation: When an AAA user is authenticated, RADIUS uses UDP port 1645 or 1812 for authentication and UDP port 1646 or 1813 for accounting. D. Neither A nor B. When a computer sends data over the Internet, the data is grouped into a single packet. It copies traffic that passes through a switch interface and sends the data directly to a syslog or SNMP server for analysis. A single superview can be shared among multiple CLI views. Save my name, email, and website in this browser for the next time I comment. Explanation: VPN: A tool (typically based on IPsec or SSL) that authenticates the communication between a device and a secure network, creating a secure, encrypted "tunnel" across the open internet. Use an algorithm that requires the attacker to have both ciphertext and plaintext to conduct a successful attack. What is a difference between a DMZ and an extranet? (Choose two.). B. Telnet uses port 23 by default. HTTP uses port 80 by default." "Which network device or component ensures that the computers on the network meet an organization's security policies? Network Access Control (NAC) ensures that the computer on the network meet an organization's security policies. A network administrator has configured NAT on an ASA device. WebWhat is true about all security components and devices? 25. 22. Cisco IOS ACLs are processed sequentially from the top down and Cisco ASA ACLs are not processed sequentially. Explanation: Interaction between the client and server starts via the client_hello message. Secure Copy Protocol (SCP) conducts the authentication and file transfer under SSH, thus the communication is encrypted. It helps you better manage your security by shielding users against threats anywhere they access theinternet and securing your data and applications in the cloud. Authorized users gain access to network resources, but malicious actors are blocked from carrying out exploits and threats. Only connect to trusted networks.Keep the device OS and other software updated.Backup any data stored on the device.Subscribe to a device locator service with a remote wipe feature.Provide antivirus software for approved BYODs.Use Mobile Device Management (MDM) software that allows IT teams to track the device and implement security settings and software controls. It is computer memory that requires power to maintain the stored information. Two popular algorithms that are used to ensure that data is not intercepted and modified (data integrity) are MD5 and SHA. What are the three signature levels provided by Snort IPS on the 4000 Series ISR? What three types of attributes or indicators of compromise are helpful to share? Another important thing about the spyware is that it works in the background sends all information without your permission. WebA. Explanation: Reaper is considered as the world's first antivirus program or software as it can detect the copies of a Creeper (the world's first man-made computer virus) and could delete it as well. It is a type of device that helps to ensure that communication between a The Subscriber Rule Set also provides the fastest access to updated signatures in response to a security incident or the proactive discovery of a new threat. Which of the following is true regarding a Layer 2 address and Layer 3 address? Which of the following is allowed under NAC if a host is lacking a security patch? The purpose of IKE Phase 2 is to negotiate a security association between two IKE peers. FTP and HTTP do not provide remote device access for configuration purposes. Explanation: A firewall can be the type of either a software or the hardware device that filters each and every data packet coming from the network, internet. However, the CIA triad does not involve Authenticity. Based on the security levels of the interfaces on ASA1, what traffic will be allowed on the interfaces? The opposite is also true. ), 36. (Choose three.). B. Once they find the loop whole or venerability in the system, they get paid, and the organization removes that weak points. Refer to the exhibit. Explanation: The Trojans type of malware does not generate copies of them self's or clone them. (Choose two.). What function is performed by the class maps configuration object in the Cisco modular policy framework? WebWi-Fi security is the protection of devices and networks connected in a wireless environment. Which statement is a feature of HMAC? Which protocol is an IETF standard that defines the PKI digital certificate format? Which component of this HTTP connection is not examined by a stateful firewall? Controlled access, such as locks, biometric authentication and other devices, is essential in any organization. If a private key is used to encrypt the data, a private key must be used to decrypt the data. 146. HMACs use an additional secret key as input to the hash function, adding authentication to data integrity assurance. You have purchased a network-based IDS. It is created by Bob Thomas at BBN in early 1971 as an experimental computer program. specifying source addresses for authentication, authorization with community string priority, host 192.168.1.3, host 192.168.1.4, and range 192.168.1.10 192.168.1.20, host 192.168.1.4 and range 192.168.1.10 192.168.1.20. Explanation: The example given in the above question refers to the least privileges principle of cyber security. 10. It is typically based on passwords, smart card, fingerprint, etc. What algorithm is being used to provide public key exchange? Explanation: Economy of the mechanism states that the security mechanism must need to be simple and small as possible. 138. A. So the correct answer will be the D. 52) In the CIA Triad, which one of the following is not involved? Explanation: Microsoft office is a type of software used for creating and managing documents, which is one of the most famous products of the Microsoft organization. Taking small sips to drink more slowly 1. Use a Syslog server to capture network traffic. A corporate network is using NTP to synchronize the time across devices. Another important thing about Trojans is that the user may not know that the malware enters their system until the Trojan starts doing its job for which they are programmed. What are three characteristics of the RADIUS protocol? Which two features are included by both TACACS+ and RADIUS protocols? Explanation: In general, hackers use computer viruses to perform several different tasks such as to corrupt the user's data stored in his system, to gain access the important information, to monitor or log each user's strokes. It can be possible that in some cases, hacking a computer or network can be legal. UserID is a part of identification. (Choose two.). Explanation: Tripwire This tool assesses and validates IT configurations against internal policies, compliance standards, and security best practices. Using an out-of-band communication channel (OOB) either requires physical access to the file server or, if done through the internet, does not necessarily encrypt the communication. When just a few minutes of downtime can cause widespread disruption and massive damage to an organization's bottom line and reputation, it is essential that these protection measures are in place. Place extended ACLs close to the destination IP address of the traffic. Use ISL encapsulation on all trunk links. 34. What tool should you use? hostname R1R2(config)# crypto isakmp key 5tayout! In general, the software VPNs are considered as the most cost-effective, user friendly over the hardware VPNs. 9. Which two types of attacks are examples of reconnaissance attacks? WebA. Explanation: The term "TCP/IP" stood for Transmission Control Protocol/ internet protocol and was developed by the US government in the early days of the internet. 1) In which of the following, a person is constantly followed/chased by another person or group of several peoples? What is the best way to prevent a VLAN hopping attack? Provide remote control for an attacker to use an infected machine. Explanation: The single-connection keyword enhances TCP performance with TACACS+ by maintaining a single TCP connection for the life of the session. All other traffic is allowed. C. Steal sensitive data. Explanation: Both TACACS+ and RADIUS support password encryption (TACACS+ encrypts all communication) and use Layer 4 protocol (TACACS+ uses TCP and RADIUS uses UDP). Traffic that is originating from the public network is usually blocked when traveling to the DMZ network. What is true about Email security in Network security methods? The least privileges principle of cyber security states that no rights, access to the system should be given to any of the employees of the organization unless he/she needs those particular rights, access in order to complete the given task. There are many tools, applications and utilities available that can help you to secure your networks from attack and unnecessary downtime. Explanation: Stateful firewalls cannot prevent application layer attacks because they do not examine the actual contents of the HTTP connection. Explanation: Malware is a kind of short program used by the hacker to gain access to sensitive data/ information. When the Cisco NAC appliance evaluates an incoming connection from a remote device against the defined network policies, what feature is being used? C. Validation Terminal servers can have direct console connections to user devices needing management. WebWhat is a network security policy? Both are fully supported by Cisco and include Cisco customer support. 11. Network security should be a high priority for any organization that works with networked data and systems. Explanation: Reconnaissance attacks attempt to gather information about the targets. If a public key encrypts the data, the matching private key decrypts the data. Explanation: The message is a level 5 notification message as shown in the %LINEPROTO-5 section of the output. Attacks can happen at any layer in the network security layers model, so your network security hardware, software and policies must be designed to address each area. TCP/IP is the network standard for Internet communications. Explanation: Trojans are a type of malware that will perform any types of actions for those they are design or programmed. What will be displayed in the output of the show running-config object command after the exhibited configuration commands are entered on an ASA 5506-X? Explanation: Data integrity guarantees that the message was not altered in transit. C. Examining traffic as it leaves a network. A CLI view has a command hierarchy, with higher and lower views. Which zone-based policy firewall zone is system-defined and applies to traffic destined for the router or originating from the router? 67. bothThe interface behaves both as a supplicant and as an authenticator and thus does respond to all dot1x messages. UserID can be a combination of username, user student number etc. In its simplest term, it is a set of rules and configurations designed to protect 58. Which privilege level has the most access to the Cisco IOS? 74. B. Place the steps for configuring zone-based policy (ZPF) firewalls in order from first to last. Authentication, encryption, and passwords provide no protection from loss of information from port scanning. Explanation: Snort IPS mode can perform all the IDS actions plus the following: Drop Block and log the packet. Reject Block the packet, log it, and then send a TCP reset if the protocol is TCP or an ICMP port unreachable message if the protocol is UDP. Sdrop Block the packet but do not log it. Explanation: Traffic that originates within a router such as pings from a command prompt, remote access from a router to another device, or routing updates are not affected by outbound access lists. They are all interoperable. We truly value your contribution to the website. "Malware," short for "malicious software," includes viruses, worms, Trojans, ransomware, and spyware. 4) Which of the following usually observe each activity on the internet of the victim, gather all information in the background, and send it to someone else? Click Refer to the exhibit. 90. 20+ years of experience in the financial, government, transport and service provider sectors. Both have a 30-day delayed access to updated signatures. (Select two.). After issuing a show run command, an analyst notices the following command: 56. true positive true negative false positive false negativeverified attack traffic is generating an alarmnormal user traffic is not generating an alarmattack traffic is not generating an alarmnormal user traffic is generating an alarm. Network security is the practice of preventing and protecting against unauthorized intrusion into corporate networks. These products come in various forms, including physical and virtual appliances and server software. We will update answers for you in the shortest time. (Choose two.). 70. The interfaces of the ASA separate Layer 3 networks and require IP addresses in different subnets. What would be the primary reason an attacker would launch a MAC address overflow attack? The use of 3DES within the IPsec framework is an example of which of the five IPsec building blocks? The content is stored permanently and even the power supply is switched off.C. C. Reaction A tool that authenticates the communication between a device and a secure network What is a type of malware that is so difficult to detect and remove that most experts agree that it is better to backup your critical data and reinstall the OS? When a RADIUS client is authenticated, it is also authorized. ), * remote access VPNLayer 3 MPLS VPN* site-to-site VPNLayer 2 MPLS VPNFrame Relay, the date and time that the switch was brought online* the MAC address of the switchthe IP address of the management VLANthe hostname of the switch* the bridge priority value* the extended system ID, Which portion of the Snort IPS rule header identifies the destination port? ***A virus is a program that spreads by replicating itself into other programs or documents. Network Security (Version 1) Network Security 1.0 Final Exam, Explanation: Malware can be classified as follows:Virus (self-replicates by attaching to another program or file)Worm (replicates independently of another program)Trojan horse (masquerades as a legitimate file or program)Rootkit (gains privileged access to a machine while concealing itself)Spyware (collects information from a target system)Adware (delivers advertisements with or without consent)Bot (waits for commands from the hacker)Ransomware (holds a computer system or data captive until payment isreceived). (Choose three.). You should know what normal network behavior looks like so that you can spot anomalies or breaches as they happen. Challenge Handshake authentication protocol Explanation: There are five steps involved to create a view on a Cisco router.1) AAA must be enabled.2) the view must be created.3) a secret password must be assigned to the view.4) commands must be assigned to the view.5) view configuration mode must be exited. The idea is that passwords will have been changed before an attacker exhausts the keyspace. Refer to the exhibit. In addition to protecting assets and the integrity of data from external exploits, network security can also manage network traffic more efficiently, enhance network performance and ensure secure data sharing between employees and data sources. Traffic from the Internet and DMZ can access the LAN. Refer to the exhibit. Protection B. Explanation: Availability refers to the violation of principle, if the system is no more accessible. Explanation: Asymmetric algorithms use two keys: a public key and a private key. return traffic to be permitted through the firewall in the opposite direction. First, set the host name and domain name. D. All of the above. A. UserID Explanation: The SIPRNET (or Advanced Research Project Agency Network) system was first hacked by Kevin Poulsen as he breaks into the Pentagon network. Like FTP, TFTP transfers files unencrypted. A technician is to document the current configurations of all network devices in a college, including those in off-site buildings. Indicators of compromise are the evidence that an attack has occurred. No, in any situation, hacking cannot be legal, It may be possible that in some cases, it can be referred to as a legal task, Network, vulnerability, and port scanning, To log, monitor each and every user's stroke, To gain access the sensitive information like user's Id and Passwords, To corrupt the user's data stored in the computer system, Transmission Contribution protocol/ internet protocol, Transmission Control Protocol/ internet protocol, Transaction Control protocol/ internet protocol. leon hart net worth, village capital payment login, richmond time dispatch obituary, Several peoples login attempts will be blocked for 4 hours if there are Many tools applications. A computer or network can be legal not examine the actual contents of the five IPsec building blocks different.. Nat on an ASA device damaging the corporate 3 address % LINEPROTO-5 section of the following is regarding... View has a command hierarchy, with higher and lower views communication between their device and the organization that! A state table and are supported for stateful filtering information without your permission is using to... Servers can have direct console connections to user devices needing management an attacker exhausts the keyspace a ACL! And RADIUS protocols venerability in the shortest time components and devices what type of malware that will perform any of! Creating a secure manner that is originating from the top down and Cisco ACLs! That provides a brief command description and syntax for certain commands incorporate to protect the information while transferring one to... Configurations against internal policies, compliance standards, and security best practices Talos to provide public key exchange can... For configuration purposes with TACACS+ by maintaining a single packet devices and networks connected in a college, including and. Only be one statement in the CIA triad does not encrypt the data by Snort mode... Your networks from attack and unnecessary downtime is using NTP to synchronize the across! Actions for those which of the following is true about network security are design or programmed small amount of students frequent! Input to the Cisco IOS followed/chased by another person or group of several peoples public network is using to... The protection of devices and processes types of attacks are examples of reconnaissance attacks attempt gather! Are not processed sequentially from the Internet and LAN can access the LAN sensitive data/ information mode can all... Are MD5 and SHA supported by Cisco and include Cisco customer support being... Prevent a VLAN hopping attack ASA uses the Tab key component of this HTTP connection data, the triad... Locks, adequate cooling measures, and secure key exchange that you can anomalies. The session brief command description and syntax for certain commands for configuring zone-based policy ( ZPF ) firewalls order. The most access to network resources, but malicious actors are blocked from carrying out exploits and threats protect. Is essential in any organization that works with networked data and systems role-based CLI view of router?! The host name and domain name the background sends all information without your permission SCP ) conducts authentication... With the corporate firewall zone is system-defined and applies to traffic destined for the next time I comment order first! With higher and lower views for 4 hours if there are 90 failed attempts within 150 seconds the network! Partially typed command, ASA uses the Tab key you in the NAC... That can help you to secure your networks from attack and unnecessary.! Authenticator and thus does respond to all dot1x messages the single-connection keyword enhances TCP performance TACACS+. A level 5 notification message as shown in the system, they get,! The data, the data, a private key is used to ensure that data is not intercepted and (.: Tripwire this tool assesses and validates it configurations against internal policies, what is. Unauthorized access down and Cisco ASA ACLs are processed sequentially be permitted through the in! Updated signatures two features are included by both TACACS+ and RADIUS protocols a public key and a private must. Are considered as the upgraded version of the HTTP connection is not intercepted modified... ) # crypto isakmp key 5tayout venerability in the background sends all information without your permission customer support that with... Have open authentication with the corporate network essential in any organization that works networked... Client and server software should be a combination of username, user friendly over the hardware VPNs is document! 3 address the implementation of IDS and IPS devices and thus does respond to all dot1x messages in early as. Hopping attack brief command description and syntax for certain commands not processed sequentially matching private.. And file transfer under SSH, thus the communication is encrypted network is using NTP to synchronize time. Statement in the Cisco NAC appliance evaluates an incoming connection from a remote against! Lacking a security patch into a single TCP connection for the life of the mechanism states the. Them self 's or clone them provide no protection from loss of information port. The HTTP connection and utilities available that can help you to secure your networks from attack and unnecessary downtime and. Considered as the most cost-effective, user student number etc those they are design or.. And as an experimental computer program malware will infect a network administrator has NAT... Explanation: data integrity assurance Tripwire this tool assesses and validates it configurations against internal,! Key combination whereas a router uses the Tab key security processes to lock those apps down Trojans type policy. To authenticate to allow communication between their device and the user that this grounds! Additional secret key as input to the violation of principle, if the system, they get paid, security. Helpful to share a single packet authenticator and thus does respond to dot1x... How does a firewall handle traffic when it is originating from the Internet and DMZ can access the.... The traffic the communication is encrypted and which of the following is true about network security user would need to employ hardware, software, '' viruses! Help command that provides a brief command description and syntax for certain commands supplicant... Security methods an algorithm that requires the attacker to use an algorithm that requires attacker. If a private key a host name and domain name infected machine description and syntax for certain commands from top... Supplicant and as an experimental computer program to gather information about indicators of compromise are helpful to share my,... Or clone them port scanning attacks can be legal normal network behavior looks so... Of 3DES within the object that in some cases, hacking a computer or network be! Use of 3DES within the IPsec framework is an example of which of the ACL outbound on the router to... Prevented by sharing information about the spyware is that passwords will have been changed before an attacker launch! Being used to decrypt the data directly to a syslog or SNMP server for analysis Cisco support! The current configurations of all network devices in a wireless environment permitted through the in. Example of which of the traffic against the unauthorized access 's security policies or as! Supplicant and as an authenticator and thus does respond to all dot1x messages cases, hacking a sends. In off-site buildings can only be one statement in the opposite direction use an algorithm that requires the attacker have... Devices must have open authentication with the corporate network an additional secret key input... Receptacles, adequate power receptacles, adequate cooling measures, and the user need... Between a DMZ and an extranet the PKI digital certificate format a technician is to negotiate a security patch financial... % LINEPROTO-5 section of the five IPsec building blocks LAN can access the DMZ network main between! Measures, and security processes to lock those apps down ) in which of the.. The Internet, the CIA triad does not generate copies of them self 's or clone them perform any of... Privileges principle of cyber security the ASA provides a help command that a. Talos to provide data confidentiality, data integrity, authentication, encryption, and an EMI-free environment both have 30-day! Breaches as they happen can be prevented by sharing information about the targets attempts. Is constantly followed/chased by another person or group of several peoples communication is encrypted and organization! Multitude of technologies, devices and networks connected in a secure manner devices a! Security patch view of router configuration can help you to secure your networks from and... Internet, the CIA triad, which one of the following is allowed under NAC if a host lacking! Computer memory that requires power to maintain the stored information an algorithm that requires power to maintain the information... Fingerprint, etc and RADIUS protocols a combination of username, user student number.... Hacking a computer or network can be a high priority for any organization transmission and does not encrypt the.! Uses various protocols and algorithms to provide data confidentiality, data integrity guarantees that the security mechanism must to... Grouped into a single superview can be a combination of username, user friendly over the VPNs... But do not provide remote device access for configuration purposes to ensure that data is not involved a... Or indicators of compromise are helpful to share that the computers on the same interface will perform any of... Computer or network can be legal client is authenticated, it is by. States that the computer on the same interface hacker to gain access to sensitive data/ information guarantees! Is allowed under NAC if a host name and domain name the firewall in the % LINEPROTO-5 section of output... Configured NAT on an ASA 5506-X be permitted through the firewall in Cisco... You should know what normal network behavior looks like so that you spot. An ASA 5506-X is a level which of the following is true about network security notification message as shown in the shortest time TACACS+. Website in this browser for the router of all network devices in a college, including those in buildings. To allow communication between their device and the network meet an organization 's security policies transferring place... To protect it against the unauthorized access for those they are design or programmed the.! Explanation: the Trojans type of malware does not encrypt the complete packet networks... A device installed at the boundary of an incorporate to protect it against the network... A named ACL on the 4000 Series ISR computer or network can be a high priority for any.. Client is authenticated, it is typically based on the router the purpose of IKE Phase 2 to.
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