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

1 Answer

Answer :

2 to 4

Related questions

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

Last Answer : D. all of the mentioned

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 : - MAC is to Ethernet what ________ is to Frame Relay. A. DLCI B. LCI C. PVC D. None of the above

Last Answer : DLCI

Description : ______ eliminates the varying delay times associated withdifferent-size packets. A) X.25 B) Frame Relay C) ATM D) all of theabove

Last Answer : ATM

Description : ______ is the cell relay protocol designed by the corresponding Forum and adopted by the ITU-T. A) X.25 B) Frame Relay C) ATM D) none of the above

Last Answer : ATM

Description : Frame Relay networks offer an optioncalled ______________that sends voice through the network. A) VOFR B) FRAD C) MUX D) none of the above

Last Answer : VOFR

Description : To handleframesarrivingfrom other protocols, Frame Relay uses adevice calleda _________. A) VOFR B) FRAD C) MUX D) none of the above

Last Answer : FRAD

Description : In Frame Relay, when. ______ is selected, it requires establishing andterminatingphases A) a PVC B) an SVC C) either (a) or (b) D) neither (a) nor (b)

Last Answer : an SVC

Description : In Frame Relay, when a _____ is selected, the correspondingtable entry is recorded for all switches by the administrator A) PVC B) SVC C) either (a) or (b) D) neither (a) nor (b)

Last Answer : PVC

Description : VCIs in Frame Relay arecalled ______. A) PVC B) SVC C) DLCIs D) none of the above

Last Answer : DLCIs

Description : Frame Relay provides ________. A) PVCs B) SVCs C) either (a) or (b) D) neither (a) nor (b)

Last Answer : Frame Relay

Description : ________ is a virtual-circuit wide-area network that was designed in response to demands fora new type of WAN in thelate1980s and early 1990s. A) X.25 B) Frame Relay C) ATM D) none of the above

Last Answer : Frame Relay

Description : Which protocols adopted the standards of HDLC (High Level Link Control) protocol? a. X.25 protocol as LAPB (Link Access Procedure Balanced, V.42 protocol as LAPM (Link Access Procedure for ... Services Digital Network) protocol as LAPD (Link Access Procedure on D channel) d. All the above

Last Answer : d. All the above

Description : To guarantee correction ofup to 5 errors in all cases, the minimum Hamming distance in a block code must be________. A) 5 B) 6 C) 11 D) none of the above

Last Answer : 11

Description : In IEEE 802.11, when a frame isgoingfrom one AP to another AP in a wireless distribution system, the address flag is_____ A) 00 B) 01 C) 10 D) 11

Last Answer : 11

Description : In IEEE 802.11, when a frame is coming from an AP and going to astation, the address flag is _______. A) 00 B) 01 C) 10 D) 11

Last Answer : 01

Description : In IEEE 802.11, when a frame isgoingfrom one station in a BSS toanother without passing through thedistribution system, the address flag is _____ A) 00 B) 01 C) 10 D) 11

Last Answer : 00

Description : In the Ethernet frame, the_______field contains error detection information. A) CRC B) preamble C) address D) none of the above

Last Answer : CRC

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 : The term gigabyte refers to a. 1024 bytes b. 1024 kilobytes c. 1024 megabytes d. 1024 gigabyte

Last Answer : 1024 megabytes

Description : The term gigabyte refers to a. 1024 bytes b. 1024 kilobytes c. 1024 megabytes d. 1024 gigabyte

Last Answer : 1024 megabytes

Description : Which of the following is true? a. Fields are composed of bytes b. Records are composed of fields c. Fields are composed of characters d. All of above

Last Answer : All of above

Description : Which statement is valid? a. 1KB = 1024 bytes b. 1 MB=2048 bytes c. 1 MB = 1000 kilobytes d. 1 KB = 1000 bytes

Last Answer : 1KB = 1024 bytes

Description : Inasynchronous transmission, the gap time between bytes is _______. A) fixed B) variable C) afunctionof the data rate D) zero

Last Answer : variable

Description : The IPv4header size _______. A) is 20 to 60 bytes long B) is 20 bytes long C) is 60 bytes long D) noneof the above

Last Answer : is 20 to 60 bytes long

Description : The IPv4header size _______. A) is 20 to 60 bytes long B) is always 20bytes long C) is always 60bytes long D) depends on the MTU

Last Answer : is 20 to 60 bytes long

Description : In IPv4, if the fragment offset hasa value of 100, it means that _______. A) thedatagram has notbeen fragmented B) thedatagram is 100 bytes in size C) thefirst byte of the datagram is byte100 D) the first byteof the datagram is byte800

Last Answer : the first byteof the datagram is byte800

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 : What is the commonly used unit for measuring the speed of data transmission? A) Bytes per second B) Baud C) Bits per second D) Both B and C

Last Answer : B) Baud

Description : Four channels are multiplexed using TDM. If each channel sends 100 bytes/second and we multiplex 1 byte per channel, then the bit rate for the link is __________. a. 400 bps b. 800 bps c. 1600 bps d. 3200 bps

Last Answer : d. 3200 bps

Description : An ACK number of 1000 in TCP always means that a. 999 bytes have been successfully received b. 1000 bytes have been successfully received c. 1001 bytes have been successfully received d. None of the above

Last Answer : d. None of the above

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 : In an IPv4 datagram, the M bit is 0, the value of HLEN is 10, the value of total length is 400 and the fragment offset value is 300. The position of the datagram, the sequence numbers of the ... 2789 b. First fragment, 2400 and 2759 c. Last fragment, 2400 and 2759 d. Middle fragment, 300 and 689

Last Answer : c. Last fragment, 2400 and 2759

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 : In an IPv4 datagram, the M bit is 0, the value of HLEN is 10, the value of total length is 400 and the fragment offset value is 300. The position of the datagram, the sequence numbers of the ... 2789 b. First fragment, 2400 and 2759 c. Last fragment, 2400 and 2759 d. Middle fragment, 300 and 689

Last Answer : c. Last fragment, 2400 and 2759

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

Last Answer : c. packets

Description : A UDP datagram of _____ bytes is acceptable to all implementations A. 516 B. 1024 C. 256 D. 512

Last Answer : A. 516

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

Last Answer : C. packets