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 : 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 : 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 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 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 : In IPv4, what is the lengthof the data field given an HLEN value of 12 and total length value of 40,000? A) 39,988 B) 40,012 C) 40,048 D) 39,952
Last Answer : 39,952
Description : The maximum length (in bytes) of an IPv4 datagram is? A. 32 B. 1024 C. 65535 D. 512
Last Answer : C. 65535
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 : n IPv4,an HLEN value ofdecimal10 means _______. A) there are 10bytes ofoptions B) there are 40bytes ofoptions C) there are 40bytes inthe header D) noneof the above
Last Answer : there are 40bytes inthe header
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 : What is the size of the ‘total length’ field in IPv4 datagram? a. 4 bit b. 8 bit c. 16 bit d. 32 bit
Last Answer : c. 16 bit
Description : A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is (A) 0.107 L (B) 0.207 L (C) 0.307 L(D) 0.407 L
Last Answer : (B) 0.207 L
Description : To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L
Last Answer : Answer: Option B
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 : 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 : 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 : In IPv4, what is needed to determine thenumber of the last byte of a fragment? A) Identification number B) Offset number C) Total length D) (b) and (c)
Last Answer : (b) and (c)
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 : In IPv4, service type of service in header field, first 3 bits are called ______ a) Type of service b) Code bits c) Sync bits d) Precedence bits
Last Answer : d) Precedence bits
Description : In version field of IPv4 header, when machine is using some other version of IPv4 then datagram is __________ a) Discarded b) Accepted c) Interpreted d) Interpreted incorrectly
Last Answer : a) Discarded
Description : In IPv4 header, the field is needed to allow the destination host to determine which datagram a newly arrived fragment belongs to. (A) identification (B) fragment offset (C) time to live (D) header checksum
Last Answer : (A) identification
Description : In IPv4, which field or bit value unambiguously identifies thedatagram as a fragment? A) Donot fragment bit ?0 B) More Fragment bit ?0 C) Fragment offset = 1000 D) noneof the above
Last Answer : Fragment offset = 1000
Description : A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is (A) 0.207 (B) 0.307 (C) 0.407 (D) 0.508
Last Answer : (A) 0.207
Description : An IPv4 datagram is fragmented into three smaller datagrams. Which of the following is true? A) Thedo not fragment bit is set to 1 for all three datagrams. B) The more fragment bit ... Theidentification fieldis the same for all three datagrams. D) Theoffset field is thesame for all three datagrams
Last Answer : Theidentification fieldis the same for all three datagrams.
Description : An IPv4 datagram is fragmented into three smaller datagrams. Which of the following is true? A. The do not fragment bit is set to 1 for all three datagrams. B. The more fragment bit is set to 0 ... field is the same for all three datagrams. D. The offset field is the same for all three datagrams
Last Answer : C. The identification field is the same for all three datagrams.
Description : The Internet addresses are ______ bits in length in IPV4 addressing scheme A. 16 B. 64 C. 32 D. 48
Last Answer : C. 32
Description : The Internet addresses are ……….. bits in length in IPV4 addressing scheme a. 16 b. 64 c. 48 d. 32
Last Answer : d. 32
Description : In IPv4, when a datagram is encapsulated in a frame, the total sizeof the datagram must beless thanthe _______. A) MUT B) MAT C) MTU D) noneof the above
Last Answer : MTU
Description : In IPv6, when a datagram needs tobediscarded ina congested network, the decision is basedon the _______ field in thebase header. A) hop limit B) priority C) nextheader D) noneof the above
Last Answer : priority
Description : In IPv6, the _______ field inthe baseheader restricts the lifetime ofa datagram. A) version B) next-header C) hoplimit D) neighbor-advertisemen
Last Answer : hoplimit
Description : In the MIME header field, ____describes how the object within the body was encoded in order that it be included in the message using a mail-safe form. a. content-type b. content-transfer-encoding c. content-description d. content-id
Last Answer : b. content-transfer-encoding
Description : Which of the following is not a field in TCP header? a. Sequence number b. Fragment offset c. Checksum d. Window size
Last Answer : b. Fragment offset
Description : For which one of the following reasons does Internet Protocol (IP) use the time-to- live (TTL) field in the IP datagram header? a. Ensure packets reach destination within that time b. ... packets from looping indefinitely d. Limit the time for which a packet gets queued in intermediate routers.
Last Answer : c. Prevent packets from looping indefinitely
Description : Which field/s of ICMPv6 packet header has/have a provision of minimal integrity level concerning to verification for ICMP messages? a. Type b. Code c. Checksum d. All of the above
Last Answer : c. Checksum
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 : The next header t is an _____ field of Authentication Header that identifies the type of what follows. A. 16-bit B. 64-bit C. 8-bit D. 32-bit
Last Answer : C. 8-bit
Description : Which one of the following fields of an IP header is NOT modified by a typical IP router? a. Checksum b. Source address c. Time to Live (TTL) d. Length
Last Answer : b. Source address
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 : 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 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 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 : 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 : Which provision can resolve / overcome the shortcomings associated with duplication or failure condition of Stop and Wait Automatic Repeat Request protocol especially due to loss of data frames or non reception ... message b. Provision of checksum computation c. Both a & b d. None of the above
Last Answer : Provision of sequence number in the header of message
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 : Inasynchronous transmission, the gap time between bytes is _______. A) fixed B) variable C) afunctionof the data rate D) zero
Last Answer : variable
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 : The network layer is concerned with __________ of data. a. bits b. frames c. packets d. bytes
Last Answer : c. packets
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