Q1. Given a subnet mask 255.255.255.224 . Then which of the following is an invalid address, i.e. that can not be assigned to host on the given subnet.
a. 192.168.16.83
b. 92.11.178.66
c. 134.178.18.44
d. 192.168.16.100
Ans. d
Q2. If you need 5 subnets, and you have class C network, then which network mask
should you use to accomodate 18 hosts.
a. 225.225.224.0
b. 225.225.225.225
c. 255.255.255.224
d. 255.252.255.214
Ans. c
Q3. How many usable IP addresses exist in class C network?
a. 192
b. 256
c. 255
d. 254
Ans. d
Q4. Consider the case, where the boot system commands are missing in NVRAM. Then, the
Cisco IOS will be looked by router in __
a. RAM
b. Harddisk
c. ROM
d. Flash
Ans. d
Q5. Which information is not supplied by CDP?
a. Capabilities List
b. Route identifier
c. Device Identifiers
d. Platform
Ans. b
Q6. Which VTP mode a catalyst switch should be to be able to able to delete and
add VLANs to a management domain?
a. Client
b. Server
c. Transparent
d. Domain
Ans. b
Q7. Pick the odd one out. Which is not a type of flow control in a Cisco network
a. Windowing
b. Buffering
c. Learning
d. Source-Quench
Ans. c
Q8. What is the advantage of full-duplex Ethernet ovver single duplex?
a. Zero collision domain
b. Faster data transfer
c. Both a and b
d. None of the above
Ans. c
Q9. Which of the following does not use UDP?
a. SMTP
b. DHCP
c. SNMP
Ans. a
Q10. consider the following IP 27.35.16.32/28 . Which of the following can not be
assigned to a host?
a. 27.35.16.32
b. 27.35.16.43
c. 27.35.16.38
d. 27.35.16.40
Ans. a
Q11. Which cable is used to make a connection between the Fa0/0 port on a router
and the Fa0/0 port on switch?
a. Crossover cable
b. Rollover cable
c. Straight-through cable
d. Serial cable
Ans. c
Q12. For a peer to peer connection to connect 2 PCs, which cable can be used?
a. Crossover cable
b. Rollover cable
c. Straight-through cable
d. Serial cable
Ans. a
Q13. Reliable end to end delivery is provided by __ layer
a. Transport
b. Session
c. Network
d. Data-link
Ans. a
Q14. For configuring a dafault route, you can use:
a. router1(config)#ip route 0.0.0.0 0.0.0.0 s0
b. router1(config)# ip route any any e0
c. router1(config)# ip default-route 0.0.0.0 s0
d. router1(config)# ip default-route 255.255.255.0 s0
Ans. a
Q15. The default administrative distance of OSPF routing protocol is:
a. 150
b. 50
c. 110
d. 170
Ans. c
Q16. In order to configure a router for load balancing across unequal cost paths,
you can use:
a. IGRP
b. EIGRP
c. both a and b
d. none of the above
Ans. c
Q17. Which of the following protocols doesnot support VLSM and route summarization?
a. IGRP
b. EIGRP
c. RIP v2
d. OSPF
Ans. a
Q18. __ allows a router to respond to an ARP request that is meant for a remote host.
a. Reverse ARP
b. Proxy ARP
c. Inverse ARP
d. Http
Ans. b
Q19. __ can be used to support multiple protocols i.e. appleTalk, IPX, IP.
a. RIP v1
b. RIP v2
c. IGRP
d. EIGRP
Ans. d
Q20. A subnet mask of 255.255.255.224 on a local subnet can have maximum number of
__ IP addresses.
a. 30
b. 29
c. 31
d. 32
Ans. a