Description : Which number system is commonly used as a shortcut notation for groups of four binary digits? a. Binary b. Decimal c. Octal d. Hexadecimal
Last Answer : Hexadecimal
Description : What is the size of an IP address? A. 64 bit B. 128 bit C. 16 bit D. 32 bit
Last Answer : D. 32 bit
Last Answer : d. Hexadecimal
Description : An IPv6address can haveup to __________ hexadecimal digits. A) 16 B) 32 C) 8 D) none of the above
Last Answer : 32
Description : In the _____ method, time isdivided into intervals. In each interval, a reservation frameprecedes the dataframes sent in that interval. A) reservation B) polling C) token passing D) none of the above
Last Answer : reservation
Description : IPv6 has _______ -bit addresses. A. 32 B. 64 C. 128 D. Variable
Last Answer : C. 128
Description : To makeaddresses morereadable, IPv6 specifies____________notation. A) dotted decimal B) hexadecimal colon C) both a and b D) none of the above
Last Answer : hexadecimal colon
Description : For purposes of routing, the Internet isdivided into ___________. A) wide area networks B) autonomous networks C) autonomous systems D) none of the above
Last Answer : autonomous systems
Description : Each station on an Ethernet network has a unique _______ address imprinted onits network interface card (NIC). A) 5-byte B) 32-bit C) 48-bit D) none of the above
Last Answer : 48-b
Description : An organization isgranteda block of classless addresses with the starting address 199.34.76.128/29. How manyaddressesare granted? A) 8 B) 16 C) 32 D) none of the above
Last Answer : 8
Description : In SONET each frame lasts _______ microseconds. A) 20 B) 64 C) 128 D) none of the above
Last Answer : 64
Description : Length of Port address in TCP/IP is A. 8 bit long B. 4 bit long C. 32 bit long D. 16 bit long
Last Answer : D. 16 bit long
Description : Length of Port address in TCP/IP is a. 8 bit long b. 4 bit long c. 32 bit long d. 16 bit long
Last Answer : d. 16 bit long
Description : Which of the following statement is true? I. An address with all bits 1 is interpreted as all networks or all hosts. II. The class A network 128.0.0.0 is defined as the loopback network. a. i only b. ii only c. Both A and B d. None of the above
Last Answer : a. i only
Description : Which of the following is correct IPv4 address? a. 124.201.3.1.52 b. 01.200.128.123 c. 300.142.210.64 d. 128.64.0.0
Last Answer : d. 128.64.0.0
Description : An IPv6 address is _________ bits long A. 32 B. 64 C. 128 D. none of the above
Description : . What is the hexadecimal equivalentof the Ethernet address 01011010 0001000101010101 00011000 10101010 00001111? A) 5A:88:AA:18:55:F0 B) 5A:81:BA:81:AA:0F C) 5A:18:5A:18:55:0F D) 5A:11:55:18:AA:0F
Last Answer : 5A:11:55:18:AA:0F
Description : The minimum frame length for 10-Mbps Ethernet is _______bytes. A) 32 B) 80 C) 128 D) none of the above
Last Answer : none of the above
Description : In a block, the prefix length is /15; what is the mask? A) 255.254.0.0 B) 255.255.255.0 C) 255.255.255.128 D) none of the above
Last Answer : 255.254.0.0
Description : The address of a class B host is to be split into subnets with a 6-bit subnet number. What is the maximum number of subnets and the maximum number of hosts in each subnet? a. 62 subnets and 262142 hosts. b. 64 subnets and 262142 hosts. c. 62 subnets and 1022 hosts. d. 64 subnets and 1024 hosts
Last Answer : c. 62 subnets and 1022 hosts.
Description : When configuring the subnet mask for an IP address, which formats can be used? * dotted-decimal. * Hexadecimal * Bit-count * Octal * Binary
Last Answer : Correct answer: A, B &C
Description : Suppose a digitized voice channel is made by digitizing 8 kHz bandwidth analog voice signal. It is required to sample the signal at twice the highest frequency (two samples per hertz). What is the bit rate required, if it ... sample requires 8 bits? (A) 32 kbps (B) 64 kbps (C) 128 kbps (D) 256 kbps
Last Answer : (C) 128 kbps
Description : The hexadecimal equivalent of decimal 128 is ________. 41) A) 8216 B) 8016 C) 8516 D) 9016
Last Answer : B) 8016
Description : what is the answer to 735,000,128.3462 written in scientific notation
Last Answer : 735,000,128.3462 in scientific notation is 7.350001283462*10^8
Description : The equivalent hexadecimal notation for octal number 2550276 is: (A) FADED (B) AEOBE (C) ADOBE (D) ACABE
Last Answer : (C) ADOBE
Description : Anumber system that uses only two digits, O and 1 is calledthe_ a. Octal number system b. Binary number system c. Decimal number system d. Hexadecimal number system
Last Answer : b. Binary number system
Description : The hexadecimal digits are 0 to 9 and A to _____: a) E b) G c) F d) None of The Above
Last Answer : c) F
Description : An IPv4 address consistsof _______ bits. A) 4 B) 8 C) 32 D) 64
Description : We add r redundant bits to each block to make the length n = k + r. The resulting n-bit blocks are called _________ A. datawords B. blockwords C. codewords D. none of the above
Last Answer : C. codewords
Description : A 32 bit microprocessor has the word length equal to a. 2 byte b. 32 byte c. 4 byte d. 8 byte
Last Answer : 4 byte
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 : Error rate is A. an error-detectingcode based ona summation operation performed onthebits to be checked. B. a checkbit appended to anarrayof binary digits to make thesum of all thebinary digits. C. a ... ratioof the number ofdata units in error to the total number of dataunits E. None of the above
Last Answer : the ratioof the number ofdata units in error to the total number of dataunits
Description : What is the default mask for class C in CIDR notation? A) /24 B) /8 C) /16 D) none of the above
Last Answer : /8
Description : What is the default mask for class B in CIDR notation? A) /9 B) /8 C) /16 D) none of the above
Last Answer : (C) /16
Description : What is the default mask for class A in CIDR notation? A) /9 B) /8 C) /16 D) none of the above
Description : The SP is of ___ wide register. And this may be defined anywhere in the ______. a) 8 byte, on-chip 128 byte RAM. b) 8 bit, on chip 256 byte RAM. c) 16 bit,
Last Answer : a) 8 byte, on-chip 128 byte RAM.
Description : ROM d) 8 bit, on chip 128 byte RAM. 3. After reset, SP register is initialized to address________. a) 8H b) 9H c) 7H d) 6H
Last Answer : c) 7H
Description : Instructions and memory address are represented by a. Character code b. Binary codes c. Binary word d. Parity bit
Last Answer : Binary codes
Description : In Ethernet addressing, if the least significant bit of the firstbyte is 1, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : multicast
Description : In Ethernet addressing, if the least significant bit of the firstbyte is 0, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : unicast
Description : The least significant 23 bits in a 48-bit Ethernet address identify a ________. A) multicast router B) host C) multicast group D) noneof the above
Last Answer : multicast group
Description : Which number is formed from a binary number by grouping bits in groups of 4-bit each starting at the binary point: a. Binary b. Octal c. Decimal d. Hexadecimal
Description : An artist makes an RGB raster image in which each pixel color is encoded with 12-bits --- 4 bits each for red, green and blue.Which of the following correctly shows the hexadecimal value for Red as a 12-bit representation A. F00 B. 00F C. FF00 D. FF0000
Last Answer : D. FF0000
Description : Each IP address can identify the ………... or ………... of IP packets. A. source, destination B. length, size C. source, length D. Size , destination
Last Answer : A. source, destination
Description : High-level Data Link Control (HDLC) is a _______ protocol for communication over point-to-pointand multipoint links. A) bit-oriented B) byte-oriented C) character-oriented D) none of the above
Last Answer : bit-oriented
Description : _______ isnormally referred toas mB/nB coding; it replaceseach m-bit group with an n-bit group. A) Block coding B) Line coding C) Scrambling
Last Answer : Block coding
Description : A local telephone network is an example of a _______ network. a) Packet switched b) Circuit switched c) Bit switched d) Line switched
Last Answer : b) Circuit switched
Description : The VPIof an NNI is _______ bits in length. A) 8 B) 12 C) 16 D) 24
Last Answer : 12
Description : The VPIof a UNI is _______ bits in length. A) 8 B) 12 C) 16 D) 24
Description : An IPv6address is _________ bits long. A) 32 B) 64 C) 128 D) none of the above
Last Answer : 128