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Data Communication and Networks (UGC/NET)

Description: TCP
Number of Questions: 15
Created by:
Tags: TCP/IP Data Communication and Networks
Attempted 0/15 Correct 0 Score 0

The term in IP network, which refers to connection of two or more subnets together, is called as _______________.

  1. address

  2. network

  3. neighbor

  4. interface

  5. packet


Correct Option: B
Explanation:

Network in IP network refers to connection of two or more subnets together.

The _____________ of internet layer of TCP/IP is a routable protocol that addresses route fragments and recollects packets.

  1. Address Resolution Protocol

  2. Internet Protocol

  3. ICMP

  4. IGMP

  5. RFC


Correct Option: B
Explanation:

The Internet Protocol of internet layer of TCP/IP is a routable protocol that addresses route fragments and recollects packets.

The _______________ field of Common Part Convergence Sublayer consists of a 3-byte LLC header with the format DSAP-SSAP-Ctrl.

  1. CPI

  2. Length

  3. CRC

  4. LLC

  5. OUI


Correct Option: D
Explanation:

This field of Common Part Convergence Sublayer consists of a 3-byte LLC header with the format DSAP-SSAP-Ctrl.

The flag that asks recursive resolution in DNS message format bit that signals to the name server is ______________.

  1. TC

  2. AA

  3. RD

  4. RA

  5. Zero


Correct Option: C
Explanation:

This is the flag that asks recursive resolution in DNS message format bit that signals to the name server.

The ___________ bit field in TCP segment format indicates that the urgent pointer field is significant in this segment.

  1. ACK

  2. URG

  3. RST

  4. SYN

  5. FIN


Correct Option: B
Explanation:

This bit field in TCP segment format indicates that the urgent pointer field is significant in this segment.

The ____________ field in BOOTP message format is a random number used to match this boot request with the response it generates.

  1. Length

  2. Transaction ID

  3. Seconds

  4. Flags

  5. Hops


Correct Option: B
Explanation:

This field in BOOTP message format is a random number used to match this boot request with the response it generates.

The _____________ domain name is used with a website name for informational sites in internet environment.

  1. com

  2. edu

  3. gov

  4. info

  5. jobs


Correct Option: D
Explanation:

This domain name is used with a website name for informational sites in internet environment.

Which address space in ARP packet specifies the length of the hardware addresses in the packet?

  1. Protocol address length

  2. Hardware address space

  3. Protocol address space

  4. Hardware address length

  5. Operation code


Correct Option: D
Explanation:

This address space in ARP packet specifies the length of the hardware addresses in the packet.

The value in ICMP header code field that specifies that the message is received from an intermediate router and means that the router did not have the buffer space needed to queue the datagram, is _____________.

  1. 3 (destination unreachable)

  2. 4 (source quench)

  3. 5 (redirect)

  4. 11 (time exceeded)

  5. 9 (router advertisement)


Correct Option: B
Explanation:

This value in ICMP header code field specifies that the message is received from an intermediate router and it means that the router did not have the buffer space needed to queue the datagram.

The _____________ category of DHCP message type gives response from a server to a DHCPDISCOVER, offering IP address and other parameters.

  1. DHCPDISCOVER

  2. DHCPOFFER

  3. DHCPACK

  4. DHCPNACK

  5. DHCPRELEASE


Correct Option: B
Explanation:

This category of DHCP message type gives response from a server to a DHCPDISCOVER, offering IP address and other parameters.

The _________ field in UDP datagram format contains the source and destination IP addresses and the protocol as well as the UDP length.

  1. Source port

  2. Destination port

  3. Checksum

  4. Length

  5. Data


Correct Option: C
Explanation:

This field in UDP datagram format contains the source and destination IP addresses and the protocol as well as the UDP length.

Which type of domain name server loads zone information from disk and has authority over the zone?

  1. Secondary

  2. Primary

  3. Caching-only

  4. Name

  5. Type


Correct Option: B
Explanation:

This type of domain name server loads a zones information from disk and has authority over the zone.

The field in IP datagram format which is a 32-bit IP address of the host sending this datagram, is _________________.

  1. VERS

  2. HLEN

  3. Service Type

  4. Source IP Address

  5. Destination IP Address


Correct Option: D
Explanation:

This field in IP datagram format is a 32-bit IP address of the host sending this datagram.

The ______________ field of Point-to-Point encapsulation can be padded with an arbitrary number of octets up to Maximum Receive Unit.

  1. Protocol

  2. Information

  3. Padding

  4. Link Control Protocol

  5. Network Control Protocol


Correct Option: C
Explanation:

This field of Point-to-Point encapsulation can be padded with an arbitrary number of octets up to Maximum Receive Unit.

The ____________ bytes in window principle applied to TCP indicate that the bytes are transmitted and have been acknowledged.

  1. B

  2. A

  3. C

  4. D

  5. E


Correct Option: B
Explanation:

These bytes in window principle applied to TCP indicate that the bytes are transmitted and have been acknowledged.

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