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Recent questions tagged network-protocols

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0 answers
1
You have just explained the ARP protocol to a friend. When you are all done, he says: ‘‘I’ve got it. ARP provides a service to the network layer, so it is part of the data link layer.’’ What do you say to him?
asked Mar 18, 2019 in Computer Networks ajaysoni1924 58 views
18 votes
12 answers
2
Suppose that in an IP-over-Ethernet network, a machine X wishes to find the MAC address of another machine Y in its subnet. Which one of the following techniques can be used for this? X sends an ARP request packet to the local gateway's IP address which ... ARP request packet with broadcast MAC address in its local subnet X sends an ARP request packet with broadcast IP address in its local subnet
asked Feb 7, 2019 in Computer Networks Arjun 6.5k views
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0 answers
3
You need to configure a server that is on the subnet 192.168.19.24/29. The router has the first available host address. Which of the following should you assign to the server? A. 192.168.19.0 B. 192.168.19.33 C. 192.168.19.26 D. 192.168.19.31
asked Oct 16, 2018 in Computer Networks vupadhayayx86 184 views
0 votes
0 answers
4
How is a TCP connection terminated if one of the two hosts has dropped the connection and cannot send or receive FIN packets?
asked Jan 30, 2018 in Computer Networks Parimal Paritosh 102 views
3 votes
1 answer
5
Which of the following option is false? A An ARP request packet include MAC address field and IP addresses of the receiver contains all 0’s B BOOTP messages are encapsulated in a UDP packet. C ICMP reports error message to the original source. D ICMP messages can’t be used to determine the round-trip time needed for an IP datagram to travel between them.
asked Dec 29, 2017 in Computer Networks rahul sharma 5 275 views
0 votes
0 answers
6
The best effort delivery services such as an IP does not include (a) error checking (b) datagram acknowledgment (c) error correction (d) All of these
asked Dec 3, 2017 in Computer Networks Appu B 143 views
4 votes
6 answers
7
Which of the following protocol is used for transferring electronic mail messages from one machine to another? TELNET FTP SNMP SMTP
asked May 7, 2017 in Computer Networks sh!va 2.4k views
0 votes
1 answer
8
1 vote
2 answers
9
Consider the following statements : A. High speed Ethernet works on optic fiber. B. A point to point protocol over Ethernet is a network protocol for encapsulating $PPP$ frames inside Ethernet frames. C. High speed Ethernet does not work on optic fiber. D. A point to point protocol over Ethernet is a network ... ; $C$ and $D$ are true. $A, B, C$ and $D$ are true. $A, B, C$ and $D$ are false.
asked Oct 1, 2016 in Computer Networks makhdoom ghaya 1.2k views
0 votes
2 answers
10
Which of the following protocols is used by email server to maintain a central repository that can be accessed from any machine ? $POP3$ $IMAP$ $SMTP$ $DMSP$
asked Sep 26, 2016 in Computer Networks makhdoom ghaya 844 views
0 votes
1 answer
11
The ______ field is the SNMP PDV reports an error in a response message. Error index Error status Set request Agent index
asked Sep 16, 2016 in Computer Networks makhdoom ghaya 759 views
5 votes
2 answers
12
Which of the following file transfer protocols use $TCP$ and establishes two virtual circuits between the local and remote server ? $FTP$ $TFTP$ $TELNET$ $NFS$
asked Sep 8, 2016 in Computer Networks makhdoom ghaya 919 views
1 vote
0 answers
13
We have one 1-MB file that in 1second moved from 1Mhz channel with 60db Attenuation. if the density of power to noise be -174 dBm/Hz, the transmitter power is equal to 1Micro Watt. My question is how this value be calculated? any idea?
asked Aug 4, 2016 in Computer Networks DrMhmd 277 views
2 votes
3 answers
14
Match the following: a. UDP i. Message Transfer Protocol b. OSPF ii. Bit-oriented Protocol c. SMTP iii. Interior Gateway Routing Protocol d. HDLC iv. Connectionless Transport Protocol a-iii, b-iv, c-ii, d-i a-iv, b-iii, c-ii, d-i a-iv, b-iii, c-i, d-ii a-iii, b-iv, c-i, d-ii
asked Jul 22, 2016 in Computer Networks jothee 709 views
1 vote
2 answers
15
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2 answers
17
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1 answer
18
The Mobile Application Protocol (MAP) typically runs on top of which protocol? SNMP (Simple Network Management Protocol) SMTP (Simple Mail Transfer Protocol) SS7 (Signalling System 7) HTTP (Hyper Text Transfer Protocol)
asked Jul 8, 2016 in Computer Networks jothee 2k views
5 votes
3 answers
19
Which network protocol allows hosts to dynamically get a unique IP number on each bootup DHCP BOOTP RARP ARP
asked Jul 4, 2016 in Computer Networks Desert_Warrior 3.2k views
6 votes
2 answers
20
The network protocol which is used to get MAC address of a node by providing IP address is SMTP ARP RIP BOOTP
asked Jun 21, 2016 in Computer Networks jothee 1.9k views
5 votes
4 answers
21
Which statement is false? PING is a TCP/IP application that sends datagrams once every second in the hope of an echo response from the machine being PINGED If the machine is connected and running a TCP/IP protocol stack, it should respond to the PING datagram ... condition, an ICMP message is not returned PING display the time of the return response in milliseconds or one of several error message
asked Jun 20, 2016 in Computer Networks jothee 2.6k views
4 votes
1 answer
22
Which Project 802 standard provides for a collision-free protocol? 802.2 802.3 802.5 802.6
asked Jun 10, 2016 in Computer Networks jothee 2.4k views
6 votes
1 answer
23
Which of these is not a feature of WAP 2.0 Push and Pull Model Interface to a storage device Multimedia messaging Hashing
asked Jun 10, 2016 in Computer Networks jothee 1.9k views
5 votes
2 answers
24
The address resolution protocol (ARP) is used for Finding the IP address from the DNS Finding the IP address of the default gateway Finding the IP address that corresponds to a MAC address Finding the MAC address that corresponds to an IP address
asked Jun 3, 2016 in Computer Networks Desert_Warrior 1.3k views
5 votes
3 answers
25
The protocol data unit for the transport layer in the internet stack is Segment Message Datagram Frame
asked Apr 29, 2016 in Computer Networks makhdoom ghaya 2.9k views
21 votes
5 answers
26
Which one of the following protocols is NOT used to resolve one form of address to another one? DNS ARP DHCP RARP
asked Feb 12, 2016 in Computer Networks Sandeep Singh 7.2k views
4 votes
2 answers
27
Lightweight Directory Access protocol is used for Routing the packets Authentication obtaining IP address domain name resolving
asked Oct 1, 2015 in Computer Networks ajit 1.9k views
27 votes
2 answers
28
In one of the pairs of protocols given below , both the protocols can use multiple TCP connections between the same client and the server. Which one is that? HTTP, FTP HTTP, TELNET FTP, SMTP HTTP, SMTP
asked Feb 13, 2015 in Computer Networks makhdoom ghaya 5.8k views
20 votes
2 answers
29
Consider the following clauses: Not inherently suitable for client authentication. Not a state sensitive protocol. Must be operated with more than one server. Suitable for structured message organization. May need two ports on the serve side for proper operation. The option that has the maximum number of ... -v POP3-i; SMTP-ii; DNS-iii; IMAP-iv; HTTP-v SMTP-i; HTTP-ii; IMAP-iii; DNS-iv; FTP-v
asked Oct 30, 2014 in Computer Networks Ishrat Jahan 2.4k views
29 votes
2 answers
30
Which of the following statements are TRUE? S1: TCP handles both congestion and flow control S2: UDP handles congestion but not flow control S3: Fast retransmit deals with congestion but not flow control S4: Slow start mechanism deals with both congestion and flow control $S1$, $S2$ and $S3$ only $S1$ and $S3$only $S3$and $S4$ only $S1$, $S3$ and $S4$ only
asked Oct 29, 2014 in Computer Networks Ishrat Jahan 5.5k views
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