Indian Institute of Technology Mumbai (IIT-M) 2005 M.E Information Technology GATE IT - Question Paper

newly created in the process are
(A) 5
(B) 4
(C) 3
(D)2
24. Amongst the ACID properties of a transaction, the ‘Durability’ property requires
that the modifications made to the database by a successful transaction persist
(A) other than in case of an Operating System crash
(B) other than in case of Disk crash
(C) other than in case of a power failure
(D) always, even if there is a failure of any type
25. Consider the 3 commands:, PROMPT, HEAD and RCPT.
Which of the subsequent choices indicate a accurate association of these commands with protocols
where these are used?
(A) HTTP, SMTP, FTP
(B) FTP, HTTP, SMTP
(C) HTTP, FTP, SMTP
(D) SMTP, HTTP, FTP
26. Trace-route reports a possible route that is taken by packets moving from a few host A to
a few other host B. which of the subsequent choices represents the technique used by traceroute
to identify these hosts?
(A) By progressively querying routers about the next router on the path to B using ICMP
packets, starting with the 1st router.
(B) By requiring every router to append the address to the ICMP packet as it is forwarded to B.
The list of all routers en-route to B is returned by B in an ICMP reply packet.
(C) By ensuring that an ICMP reply packet is returned to A by every router en- route to B, in
the ascending order of their hop distance from A
(D) By locally computing the shortest path from A to B
27. Which of the subsequent statements is actual about CSMA/CD
(A) IEEE 802.11 wireless LAN runs CSMA/CD protocol
(B) Ethernet is not based on CSMA/CD protocol
(C) CSMA/CD is not suitable for a high propagation delay network like statellite network.
(D) There is no contention in a CSMA/CD network
28. Which of the subsequent statements is FALSE regarding a bridge
(A) Bridge is a layer two device
(B) Bridge decreases collision domain
(C) Bridge is used to connect 2 or more LAN segments
(D) Bridge decreases broadcast domain
29. Count to infinity is a issue associated with
(A) link state routing protocol
(B) distance vector routing protocol
(C) DNS while resolving host name

Earning:   Approval pending.