- In OSI network architecture, the dialogue control and token management are responsibilities of
a)Session Layer b) network layer
c) transport layer d) data link layer
Ans: A
2. In OSI network architecture, the routing is performed by
a)Session Layer b) network layer
c) transport layer d) data link layer
Ans: B
3. The X.25 standards specifies a
a)technique for start-stop data b) technique for dial access
c) DTE/DCE interface d) data bit rate
Ans: C
4. Simple network management protocol (SNMP) is implemented with a daughter-board in
a)the nodes b) the server
c) the hub d) a separate PC that manages the network server
Ans: C
5. Local area network can transmit
a) faster than telecommunications over public telephone lines
b) slower than telecommunications over public telephone lines
c) using twisted pair wiring on coaxial cables
d) both a and c
Ans: D
6. Four bits are used for packed sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?
a) 4 b) 8
c) 15 d) 16
Ans: C
7. ARP (Address Resolution Protocol) is
a) a TCP/IP protocol used to dynamically bind a high level IP address to a low- level physical hardware address
b) a TCP/IP high level protocol for transferring files from one machine to another
c) a protocol used to monitor computers
d) a protocol that handles error and control messages
Ans: D
8. Which of the following TCP/IP protocol is used for remote terminal connection services?
a) TELNET b) FTP
c) RARP d) UDP
Ans: A
9. Which protocol is used for sending email on the internet?
a) SMTP b) SMPP
c) SNMP d) FTP
Ans: A
10. 127.0.0.1 is a
(a) limited broadcast address (b) direct broadcast address
(c) multicast address (d) loop-back address
Ans: D