Computer Networks : Proficients

1. Which of the following is a feature of Session Layer?

Segmentation
Fragmentation
Bit Encoding
Synchronization

2. Which among the following network device can be used on both Layer-3 and Layer-4 of OSI Model?

Router
Gateway
HUBs
Repeaters

3. SMTP stands for ________ and is used on ________ layer?

Simple Mail Transfer Protocol, Session Layer
Simple Mail Transfer Protocol, Application Layer
Simple Mail Transfer Protocol, Transport Layer
Simple Mail Transfer Protocol, Network Layer

4. Port Number used for FTP is ________?

25
21
23
80

5. RARP stands for _______?

Reserved Address Resolution Protocol
Reverse Address Resolution Protocol
Resolution Address Reverse Protocol
Right Address Resolution Protocol

6. Which of the following is a private IP Address _________?

1.1.1.1
2.2.2.2
10.10.10.10
9.9.9.9

7. Port Number used for SNMP and RIP are ________?

21,23 Respectively
23,25 Respectively
69,161 Respectively
161,520 Respectively

8. PING stands for __________?

Packet Internet Group
Push Internet Group
Pop Internet Group
Packet Internet Grouping

9. Which of the following is used as Loop-Back Address in IPv4?

192.168.1.0
172.168.0.0
127.0.0.1
10.0.0.0

10. Which of the following are correct Subnet for classes A,B,C of a network respectively?

255.255.0.0, 255.0.0.0, 255.255.255.0
255.255.0.0, 255.255.255.0, 255.0.0.0
255.0.0.0, 255.255.0.0, 255.255.255.0
255.255.255.0, 255.255.0.0, 255.0.0.0