Header of a Layer two frame usually contain ______________
A. synchronization bytes
B. addresses
C. frame identifier
D. all of the mentioned

1 Answer

Answer :

D. all of the mentioned

Related questions

Description : Header of a frame generally contains a. synchronization bytes b. addresses c. frame identifier d. all of the mentioned

Last Answer : d. all of the mentioned

Description : What is the maximum size of data that the application layer can pass on to the TCP layer below? a. Any size b. 216 bytes - size of TCP header c. 216 bytes d. 1500

Last Answer : a. Any size

Description : Which among the following represents the objectives/requirements of Data Link Layer? a. Frame Synchronization b. Error & Flow Control c. Both a & b d. None of the above

Last Answer : c. Both a & b

Description : In IPv6,options are inserted between the _________and the ___________ data. A) baseheader;extensionheader B) baseheader;upper-layer data C) base header; frame header D) noneof the abov

Last Answer : baseheader;upper-layer data

Description : In IPv6, options are inserted between the _________ and the ___________ data A. base header; extension header B. base header; upper-layer data C. base header; frame header D. none of the above

Last Answer : B. base header; upper-layer data

Description : In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400bytes? A) 428 B) 407 C) 107 D) 427

Last Answer : 428

Description : In IPv4 header, an HLEN value of decimal 10 means_______. A) there are 10bytes ofoptions B) there are 40bytes ofoptions C) there are 10bytes inthe header D) thereare 40 bytes in the header

Last Answer : thereare 40 bytes in the header

Description : An IP datagram of size 1000 bytes arrives at a router. The router has to forward this packet on a link whose MTU (maximum transmission unit) is 100 bytes. Assume that the size of the IP header is 20 bytes ... the IP datagram will be divided into for transmission is : a. 10 b. 50 c. 12 d. 13

Last Answer : d. 13

Description : The IPv4 header size _______ A. is 20 to 60 bytes long B. is always 20 bytes long C. is always 60 bytes long D. depends on the MTU

Last Answer : A. is 20 to 60 bytes long

Description : In IPv4 header, an HLEN value of decimal 10 means _______ A. there are 10 bytes of options B. there are 40 bytes of options C. there are 10 bytes in the header D. there are 40 bytes in the header

Last Answer : D. there are 40 bytes in the header

Description : State weather the following statement is true or false for IPV6 Addressing 1). IPV6 is a routable protocol that addresses, routes, fragments, and reassembles packets 2).IPV6 is a connectionless, unreliable datagram protocol. 3). ... C. 1. false, 2. false, 3. false D. 1.false, 2. true, 3. true

Last Answer : A. 1. True, 2. true, 3. true

Description : The maximum size of the data that the application layer can pass on to the TCP layer below is ......... (1) 216 bytes (2) 216 bytes + TCP header length (3) 216 bytes - TCP header length (4) 215 bytes

Last Answer : Answer: Marks to all

Description : Which is the main function of transport layer? A) Node to node delivery B) End to end delivery C) Synchronization d) Updating and maintaining routing tables

Last Answer : B) End to end delivery

Description : Delimiting and synchronization of data exchange is provided by __________ a. Application layer b. Session layer c. Transport layer d. Link layer

Last Answer : b. Session layer

Description : Delimiting and synchronization of data exchange is provided by __________ a. Application layer b. Session layer c. Transport layer d. Link layer

Last Answer : b. Session layer

Description : Delimiting and synchronization of data exchange is provided by __________ a) Application layer b) Session layer c) Transport layer d) Link layer

Last Answer : b) Session layer

Description : How many bytes of data can be sent in 15 seconds over a serial link with baud rate of 9600 in asynchronous mode with odd parity and two stop bits in the frame? a. 10,000 bytes b. 12,000 bytes c. 15,000 bytes d. 27,000 bytes

Last Answer : b. 12,000 bytes

Description : The maximum frame length for 10-Mbps Ethernet is ________ bytes. A) 1518 B) 1500 C) 1200 D) none of the abov

Last Answer : 1518

Description : In SONET, for each frame, the bytes are transmitted __________. A) from left to the right, top to bottom B) from right to theleft, bottom to top C) from left to the right, bottom to top D) from right to the left, top to bottom

Last Answer : from left to the right, bottom to top

Description : In Frame Relay, the EA field defines thenumber of bytes; it is _____ in the last byte of the address. A) 0 B) 1 C) 2 D) 3

Last Answer : 1

Description : In Frame Relay, an address can be________ bytes. A) only 2 B) 2 to 3 C) 2 to 4 D) none of the above

Last Answer : 2 to 4

Description : The minimum frame size required for a CSMA/CD based computer network running at 1 Gbps on a 200m cable with a link speed of 2 × 108m/s is a. 125 bytes b. 250 bytes c. 500 bytes d. None of these

Last Answer : b. 250 bytes

Description : A sender uses the Stop-and-Wait ARQ protocol for reliable transmission of frames. Frames are of size 1000 bytes and the transmission rate at the sender is 80 Kbps (1Kbps = 1000 bits/second). Size of ... is lost, the sender throughput is __________ bytes/second. a. 2500 b. 2000 c. 1500 d. 500

Last Answer : a. 2500

Description : Consider a CSMA/CD network that transmits data at a rate of 100 Mbps (108 bits per second) over a 1 km (kilometre) cable with no repeaters. If the minimum frame size required for this network is 1250 bytes, what is the signal speed (km/sec) in the cable? a. 8000 b. 10000 c. 16000 d. 20000

Last Answer : d. 20000

Description : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route

Last Answer : bridge

Description : State weather the following statement is true or false for Multipurpose Internet Mail Extensions 1).The general syntax for MIME header fields is not the same as that for RFC 2822. 2).MIME header field names are never ... false C. 1. false, 2. false, 3. false D. 1.false, 2. true, 3. true

Last Answer : A. 1. True, 2. true, 3. true

Description : Which of the following is anecessary part of the IPv6 datagram? A) Base header B) Extension header C) Data packet from the upper layer D) (a) and (c)

Last Answer : Base header

Description : The network layer is concerned with __________ of data. a. bits b. frames c. packets d. bytes

Last Answer : c. packets

Description : The network layer encapsulates the data into _______of data. A. bits B. frames C. packets D. bytes

Last Answer : C. packets

Description : The network layer is concerned with __________ of data. a) bits b) frames c) packets d) bytes

Last Answer : c) packets

Description : In IPv6, the _______ field inthe baseheader and thesender IP address combineto indicate aunique path identifier for aspecific flow of data. A) flow label B) nextheader C) hoplimit D) destination IP address

Last Answer : flow label

Description : In process to process delivery, an application process is assigned a ………….., which is likely to be …………….each time that process is started A. process identifier number , different B. process identifier number, same C. source, mixed D. Source, similar

Last Answer : A. process identifier number , different

Description : An application process is assigned a process identifier number (process ID), which is likely to be _______ each time that process is started. A. Similar B. smaller C. different D. larger

Last Answer : C. different

Description : In IPv4, what is the value of the total length field in bytes if the header is 28 bytes and the data field is 400 bytes?

Last Answer : 428

Description : Header of datagram in IPv4 has _________ a) 0 to 20 bytes b) 20 to 40 bytes c) 20 to 60 bytes d) 20 to 80 bytes

Last Answer : c) 20 to 60 bytes

Description : In a packet switching network, if the message size is 48 bytes and each packet contains a header of 3 bytes. If 24 packets are required to transmit the message, the packet size is ................ (1) 2 bytes (2) 1 byte (3) 4 bytes (4) 5 bytes

Last Answer : (4) 5 bytes 

Description : In Manchester anddifferential Manchester encoding, the transition at the middle of the bit is usedfor __________. A) bit transfer B) baud transfer C) synchronization D) none of the above

Last Answer : synchronization

Description : In_______encoding, the duration of the bit is divided into twohalves. Thevoltage remains at one level during thefirst half and moves to the other level in the second half. The transition at the middle of the bit ... Manchester B) differential Manchester C) both (a) and (b) D) neither (a) nor (b)

Last Answer : both (a) and (b)

Description : ______ provides synchronization without increasingthe number of bits. A) Scrambling B) Line coding C) Block coding D) None of the above

Last Answer : Scrambling

Description : _____ provides redundancy toensure synchronization and inherent errordetection. A) Block coding B) Line coding C) Scrambling D) None of the above

Last Answer : Block coding

Description : Block coding can help in _______at the receiver. A) Synchronization B) Error detection C) Attenuation D) (a) and (b)

Last Answer : (a) and (b)

Description : In T1 digital system, the frame synchronization code repeats every

Last Answer : In T1 digital system, the frame synchronization code repeats every 125 microsecond

Description : In the Ethernet, the _______field is actually added at the physical layer and isnot (formally)part of the frame. A) CRC B) preamble C) address D) none of the above

Last Answer : preamble

Description : At the data link layer, Frame Relayusesa protocol that supports _____control. A) flow B) error C) either (a) or (b D) neither (a) nor (b)

Last Answer : neither (a) nor (b)

Description : Frame Relay has_______. A) only the physical layer B) only thedata link C) the physical and data link layers D) the physical, data link, andnetwork layers

Last Answer : the physical and data link layers

Description : The layer of OSI model can use the trailer of the frame for error detection. A) Physical B) Data link C) Transport D) Presentation

Last Answer : A) Physical

Description : The data unit in the TCP/IP layer called a ..... A) Message B) Segment C) Datagram D) Frame

Last Answer : D) Frame

Description : Choose the Protocols working in the Data Link Control Layer of OSI model below. a. ATM (Asynchronous Transfer Mode), Frame Relay b. HDLC (High Level Data Link Control), SDLC (Synchronous Data Link Control) c. ARP (Address Resolution Protocol), IEEE802.3 d. All the above

Last Answer : d. All the above

Description : Which of the following term describes PDU encapsulated at Transport Layer? a. Frame b. Packet c. Data d. Segment

Last Answer : d. Segment

Description : The protocol data unit (PDU) for the application layer in the Internet stack is? a. Datagram b. Frame c. Message d. Segment

Last Answer : c. Message