TCP-IP Questions Answers

1. TCP/IP suite was created by

1. IEEE
2. Department of defence
3. Open source
4. None of above

2. TCP/IP reference model contains how many layers

1. 3
2. 4
3. 6
4. 7

3. Telnet

1. allows user to connect client machine
2. transferring files
3. sharing files
4. none of above

4. Which protocol deals with emails

1. FTP
2. SMTP
3. LPD
4. X window

5. Which protocol deals with resolving domain names

1. X-Window
2. SMTP
3. DNS
4. FTP

6. Which protocol ensures reliable delivery

1. TCP
2. UDP
3. Both of above
4. None of above

7. Which protocol uses window flow system

1. UDP
2. TCP
3. FTP
4. None of above

8. ICMP works on which layer

1. Physical Layer
2. Datalink Layer
3. Network layer
4. Transport Layer

9. Which protocol finds the MAC address from IP address

1. SMTP
2. ICMP
3. ARP
4. RARP

10. Which IP is reserved for loopback testing

1. 192.168.0.0
2. 10.255.255.255
3. 255.0.0.0
4. None of above

Subnetting Questions Answers

1. Default network mask for CLASS A is

1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255

2. Default network mask for CLASS B is

1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255

3. Default network mask for CLASS C is

1. 255.0.0.0
2. 255.255.0.0
3. 255.255.255.0
4. 255.255.255.255

4. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask

1. 14
2. 15
3. 30
4. 62

5. To test the IP stack on your local host, which IP address will you ping

1. 127.0.0.0
2. 1.0.0.127
3. 127.0.0.1
4. 255.255.255.0

NAT Questions Answers

1. What is disadvantage of NAT

1. Conserves the legally registered addresses
2. Loss of end to end IP traceability
3. Eliminates address renumbering as network changes
4. None of above

2. Which term is not related to NAT

1. inside local
2. outside local
3. inside global
4. external global

3. Meaning of Outside local

1. Name of inside source address before translation
2. Name of destination host before translation
3. Name of inside host after translation
4. Name of outside destination host after translation

4. Which command will allow you to see real time translation on your router

1. show ip nat translations
2. show ip nat statistics
3. debug ip nat
4. clear ip nat translations

IP Routing Questions Answers

1. Which is not a valid type of routing

1. Static routing
2. Default routing
3. Dynamic routing
4. Custom routing

2. Where we should use default routing

1. on stub networks- which have only one exit path out of the network
2. which have more than one exit path out of the network
3. minimum five exit paths out of the network
4. None of above

3. Default administrative distance of EIGRP

1. 0
2. 1
3. 110
4. 90

4. Default administrative distance of Static Route

1. 0
2. 90
3. 100
4. 1

5. Default administrative distance of RIP

1. 0
2. 90
3. 120
4. 130