ccna interview questions and answers

Part - 8 CCNA Interview Questions and Answers

36 What does the command "IP name-server 255.255.255.255" accomplish?

• A. It sets the domain name lookup to be a local broadcast.

• B. This is an illegal command.

• C. It disables domain name lookup.

• D. The command is now defunct and has been replaced by "IP server-name ip any"

Ans A

By default DNS is enabled on a router with a server address of 255.255.255.255, which provides for a local broadcast.

37 As a system administrator, you need to provide your routers with a Domain Name System (DNS) server. How many DNS servers can you specify with one command?

• A. 6

• B. 1

• C. 2

• D. 4

Ans A

You can only specify six name servers in one command. The syntax is "IP name-server server-address1 [[ server-address2 ]...server-address6]. You must also enable
DNS.

38 How would you configure one host name that points to two IP addresses?

• A. IP host jacob 1.0.0.5 2.0.0.8

• B. IP jacob 1.0.0.5 2.0.0.8

• C. IP host jacob 1.0.0.5

• D. IP host duplicate "all"

Ans A

The correct syntax is IP host name [ TCP-port-number ] address [ address ]..... So, "IP host P1R1 1.0.0.5 2.0.0.8" is the correct choice. "IP host jacob 1.0.0.5" only points the host name jacob to one IP address--1.0.0.5.

39 The following selections show the command prompt and the configuration of the IP network mask. Which two are correct?

• A. Router#term IP netmask-format { bitcount decimal hexadecimal }

• B. Router(config-if)#IP netmask-format { bitcount decimal hexadecimal }

• C. Router(config-if)#netmask-format { bitcount decimal hexadecimal }

• D. Router#ip netmask-format { bitcount decimal hexadecimal }

Ans A & B

Router#term IP netmask-format { bitcount decimal hexadecimal } and Router(config-if)#IP netmask-format { bitcount decimal hexadecimal } are correct. You can configure the mask for the current session and you can configure it for a specific line.

40 When configuring the subnet mask for an IP address, which formats can be used?

• A. dotted-decimal.

• B. Hexadecimal

• C. Bit-count

• D. Octal

• E. Binary

Ans A, B &C