All Computer Networks questions

Single correct

• AThe client and server use a two-way handshake mechanism before the start of data transmission
• BThe server cannot initiate closing of the connection before the client initiates closing of the connection
• CThe TCP connection is half-duplex
• DThe client and server can initiate closing of the connection at the same time

One or more correct

• AHTTP 1.1 facilitates downloading multiple objects of the same webpage over the same TCP connection, if the objects are stored in the same server
• BHTTP 1.1 facilitates downloading multiple objects of the same webpage over the same TCP connection, even if they are stored in different servers
• CHTTP 1.1 facilitates sending a request for downloading one object without waiting for a previously requested object to be downloaded completely
• DHTTP 1.1 facilitates downloading multiple webpages on the same server to be downloaded over a single TCP connection

Single correct

• A$9 \le t < 10$
• B$10 \le t < 11$
• C$11 \le t < 12$
• D$12 \le t < 13$

Single correct

• A10
• B21
• C20
• D11

One or more correct

• A202.16.0.0/19
• B202.17.64.0/19
• C202.16.32.0/19
• D202.17.24.0/19

Single correct

• A731
• B64
• C8
• D16

Single correct

• ASMTP
• BFTP
• CDHCP
• DHTTP

Numerical answer

Single correct

• A011
• B101
• C000
• D100

Numerical answer

Numerical answer

OSI Layers               Functionalities
(a) Network layer        (I)   Packet routing
(b) Transport layer      (II)  Framing and error handling
(c) Datalink layer       (III) Host to host communication

Single correct

• A(a)-(I), (b)-(II), (c)-(III)
• B(a)-(I), (b)-(III), (c)-(II)
• C(a)-(II), (b)-(I), (c)-(III)
• D(a)-(III), (b)-(II), (c)-(I)

One or more correct

• AP3: SYN = 1, ACK = 1
• BP2: SYN = 1, ACK = 1
• CP2: SYN = 0, ACK = 1
• DP1: SYN = 1

Subnet Address    Subnet Mask (in CIDR notation)    Interface
145.36.0.0        /16                              E1
145.36.128.0      /17                              E2
145.36.64.0       /18                              E3
145.36.255.0      /24                              E4
Default           --                               E5

Single correct

• AE3
• BE1
• CE2
• DE5

Numerical answer

Single correct

• ABoth (i) and (ii) are TRUE
• B(i) is TRUE and (ii) is FALSE
• C(i) is FALSE and (ii) is TRUE
• DBoth (i) and (ii) are FALSE

List I                          List II
(i)  Distance vector routing    (a) Bellman-Ford
(ii) Link state routing         (b) Dijkstra

Single correct

• A(i) – (a) and (ii) – (b)
• B(i) – (a) and (ii) – (a)
• C(i) – (b) and (ii) – (a)
• D(i) – (b) and (ii) – (b)

Single correct

• AInternet Control Message Protocol (ICMP)
• BInternet Group Management Protocol (IGMP)
• COpen Shortest Path First (OSPF)
• DRouting Information Protocol (RIP)

Single correct

• A5 fragments, 1488 bytes
• B6 fragments, 88 bytes
• C6 fragments, 108 bytes
• D6 fragments, 116 bytes

Single correct

• A88.23
• B93.75
• C85.44
• D66.67