Quiz1_NWC

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The transport layer protocol that generated the information in the data field

What does the IP header's protocol field identify?

2

QN=31 (8947) In IP fragmentation with MTU (Maximum Transmission Unit) size of 1500 bytes , a 2000 byte datagram is fragmented into _______ datagram(s)

The identification field is the same for all three datagrams.

QN=32 (8957) A datagram is fragmented into three smaller datagrams. Which of the following is true?

this is the last fragment.

QN=33 (8960) If the fragment offset has a value of 100 and MF = 0, it means that _______.

Path from source to destination and forwarding tables in routers along path

QN=34 (8959) A Virtual Circuit maintains

One has each packet to route independently; one has all packet to route in one path, respectively

QN=35 (8958) In Datagram networks and in Virtual networks:

No call setup and packets may take different paths for the same source-destination pair

QN=36 (8956) In a Datagram networks,

Network

QN=37 (8975) Which layer does ICMP reside in?

Dynamic

QN=39 (8986) A _______ routing table is updated periodically using one of the adaptive routing protocols.

Replacing source IP address and port # with NAT IP address and new port # for every outgoing datagram and doing vice verse for every incoming datagram

QN=40 (9000) Which is the function of NAT router?

251.222.258.1

QN=41 (9009) Which one is not an IP address?

00001101.1111101.00010001.11111100

QN=42 (9019) What is the 32-bit binary equivalent of the IP address 13.253.17.252?

101.101.101.129

QN=43 (9021) Suppose an ISP owns the block of addresses of the form 101.101.101.128/30, which address can be assigned to its customer?

408

QN=44 (9033) Suppose datagrams are limited to 1500bytes including IP header of 20 bytes. UDP header is 8 bytes. How many datagrams would be required to send an MP3 of 600,000 bytes

Point-to-point link and broadcast link

QN=45 (9061) In datalink layer, there are two types of networks links:

Congestion control

QN=46 (9067) Which one is not a service provided by the link layer?

11001010

QN=47 (9082) Assume the original message to be sent 11001, the generator is 1001. What is the transmitted message?

MAC protocols

QN=48 (9090) Channel partitioning, random access, and taking turns are______

The host listens for the carrier signal from other adapters before any transmission

QN=49 (9103) What does that mean by "Carrier Sense" in CSMA/CD?

Framing

QN=50 (9104) A method for encapsulating data in a PPP frame, identifying the beginning and end of the frame is called


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