CCNA Sample Test Questions
*Answers at the bottom
1) Which of the following protocols use "Hello" packets?
A) OSPF
B) RIP2
C) IGRP
D) RIP
2) How to enable a Banner on a Cisco Router ?
A) Router(Config-if)# banner motd #
B) Router(Config)# banner motd #
C) Router(Config)# motd banner motd #
D) Router(Config-if)# motd banner #
3) How many hosts and subnets are possible if you have an IP of 151.242.16.49 with a
subnet mask of 7 bits?
A) 510 hosts and 126 subnets
B) 512 hosts and 128 subnets
C) 126 subnets and 510 hosts
D) 128 subnets and 512 hosts
4) What's the default subnet mask for a Class C IP adresses?
A) 255.0.0.0
B) 255.255.0.0
C) 255.255.255.0
D) 255.255.255.255
5) Which encapsulation must be used to enable Ethernet_II frame type on your Ethernet
interface?
A) SAP
B) ARPA
C) RIP
D) SNAP
6) Which IP-class provides the least number of Hosts?
A) Class A
B) Class B
C) Class C
D) Class D
7) How to define access-list commands ?
A) Router(config-if)# access-list 1 permit 172.16.20.1 255.255.0.0
B) Router(config) # access-list 1 permit 172.16.20.1 255.255.0.0
C) Router(config-if)# access-list 1 permit 172.16.20.1 0.0.0.0
D) Router(config) # access-list 1 permit 172.16.20.1 0.0.0.0
8) Which of the following solutions prevent routing loops?
A) Split Horizon
B) Poison Reverse
C) Hold-down Timers
D) Triggered Updates
9) Which of the following is a valid extended IP access list?
A) access-list 101 permit ip host 175.2.10.0 any eq 80
B) access-list 101 permit ip host 175.2.10.0 any eq www
C) access-list 101 permit tcp host 175.2.10.0 any eq 80
D) access-list 101 permit icmp host 175.2.10.0 any eq www
10) Which of the following is true about IP RIP based networks?
A) The default update time is 30 seconds.
B) The default update time is 90 seconds.
C) Only changes to the routing tables are sent during updates.
D) Complete routing table are sent during updates.
11) How do you apply the access group command?
A) Router(config) # access-li