What is considered a best practice when configuring ACLs on vty lines? Use only extended access lists. Place identical restrictions on all vty lines. Apply the ip access-group command inbound.…
Refer to the exhibit. An administrator has configured a standard ACL on R1 and applied it to interface serial 0/0/0 in the outbound direction. What happens to traffic leaving interface…
Which protocol is attacked when a cybercriminal provides an invalid gateway in order to create a man-in-the-middle attack? DNS ICMP HTTP or HTTPS DHCP Answers Explanation & Hints: A cybercriminal…
In which TCP attack is the cybercriminal attempting to overwhelm a target host with half-open TCP connections? reset attack port scan attack SYN flood attack session hijacking attack Answers Explanation…
Consider the following access list.access-list 100 permit ip host 192.168.10.1 any access-list 100 deny icmp 192.168.10.0 0.0.0.255 any echo access-list 100 permit ip any any Which two actions are taken…
Refer to the exhibit. The named ACL "Managers" already exists on the router. What will happen when the network administrator issues the commands that are shown in the exhibit? The…
Which ACE will permit a packet that originates from any network and is destined for a web server at 192.168.1.1? access-list 101 permit tcp host 192.168.1.1 any eq 80 access-list…
What does the CLI prompt change to after entering the command ip access-list standard aaa from global configuration mode? Router(config)# Router(config-if)# Router(config-router)# Router(config-std-nacl)# Router(config-line)# For more question and answers: Click…
Refer to the exhibit. Which command would be used in a standard ACL to allow only devices on the network attached to R2 G0/0 interface to access the networks attached…
A network administrator needs to configure a standard ACL so that only the workstation of the administrator with the IP address 192.168.15.23 can access the virtual terminal of the main…
Refer to the exhibit. A network administrator has configured ACL 9 as shown. Users on the 172.31.1.0 /24 network cannot forward traffic through router CiscoVille. What is the most likely…
What type of ACL offers greater flexibility and control over network access? flexible named standard extended numbered standard Answers Explanation & Hints: The two types of ACLs are standard and…
Which statement describes a difference between the operation of inbound and outbound ACLs? In contrast to outbound ALCs, inbound ACLs can be used to filter packets with multiple criteria. Inbound…
Which two packet filters could a network administrator use on an IPv4 extended ACL? (Choose two.) destination MAC address ICMP message type computer type source TCP hello address destination UDP…
Which two keywords can be used in an access control list to replace a wildcard mask or address and wildcard mask pair? (Choose two.) most host all any some gt…
What wild card mask will match networks 172.16.0.0 through 172.19.0.0? 0.0.3.255 0.0.255.255 0.252.255.255 0.3.255.255 Answers Explanation & Hints: The subnets 172.16.0.0 through 172.19.0.0 all share the same 14 high level…
If an asymmetric algorithm uses a public key to encrypt data, what is used to decrypt it? DH a private key a digital certificate a different public key Answers Explanation…
Which requirement of secure communications is ensured by the implementation of MD5 or SHA hash generating algorithms? confidentiality authentication integrity nonrepudiation Answers Explanation & Hints: Integrity is ensured by implementing…
In what way are zombies used in security attacks? They are maliciously formed code segments used to replace legitimate applications. They target specific individuals to gain corporate or personal information.…
What is the best description of Trojan horse malware? It is the most easily detected form of malware. It is malware that can only be distributed over the Internet. It…