This quiz is based on Computer Network question asked in GATE exams. This quiz is helpful for aspiring candidates of GATE, UGC NET and other competitive exams.
Packet switching leads to better utilization of bandwidth resources than circuit switching.
Packet switching results in less variation in delay than circuit switching.
Packet switching requires more per-packet processing than circuit switching.
Packet switching can leads to reordering unlike in circuit switching.
Sender encrypts using receiver's public key.
Sender encrypts using his own public key.
Receiver decrypts using sender's public key.
Receiver decrypts using his own public key
HTTP, SMTP, FTP
FTP, HTTP, SMTP
HTTP, FTP, SMTP
SMTP, HTTP, FTP
By progressively querying routers about the next router on the path to B using ICMP packets, starting with the first router.
By requiring each 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 is an ICMP reply packet.
By ensuring that an ICMP reply packet is returned to A by each router en-route to B, in the ascending order of their hop distance from A.
By locally computing the shortest path from A to B.
link state routing protocol.
distance vector routing protocol.
DNS while resolving host name.
TCP for congestion control.
Query a NS for the root domain and then NS for the "dom" domains.
Directly query a NS for "dom" and then a NS for "mydomain.dom" domains.
Query a NS for in-addr.arpa and then a NS for 128.145.in-addre.arpa domains.
Directly query a NS for 145.in-addr.arpa and then a NS for 128.145.in-addr.arpa domains.
FTP and HTTP
TELNET and POP3
HTTP and TELNET
SMTP and FTP
(I). A hash function (these are often used for computing digital signatures) is an injective function.
(II). An encryption technique such as DES performs a permutation of the elements of its input alphabet.
Which of the following options is valid for the above two statements? [GATE 2007, 1 Marks]
Both are false.
Statement (I) is true and the other is false.
Statement (II) is true and the other is false.
Both are true.