Description : IPv6 has _______ -bit addresses. A. 32 B. 64 C. 128 D. Variable
Last Answer : C. 128
Description : Each ________in a SONET framecancarry a digitized voice channel. A) bit B) byte C) frame D) none of the above
Last Answer : byte
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 : An IPv6address is _________ bits long. A) 32 B) 64 C) 128 D) none of the above
Last Answer : 128
Description : How many hostsare attached to eachof the local area networks at your site? A. 128 B. 254 C. 256 D. 64 E. None of the above
Last Answer : 254
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 size of an IP address? A. 64 bit B. 128 bit C. 16 bit D. 32 bit
Last Answer : D. 32 bit
Description : SONET is a _______ TDM system. A) asynchronous B) synchronous C) statistical D) none of the above
Last Answer : none of the above
Description : SONET defines _______ layers. A) two B) three C) four D) five
Last Answer : four
Description : The minimum frame length for 10-Mbps Ethernet is _______bytes. A) 32 B) 80 C) 128 D) none of the above
Description : In hexadecimal colon notation, a 128-bit address isdivided into _______ sections, each _____hexadecimal digits in length. A) 8: 2 B) 8: 3 C) 8: 4 D) none of the above
Last Answer : 8: 4
Description : In SONET, for each byte, the bitsare transmitted ____________. A) from least significant to the most significant B) from most significant tothe least significant C) two at atime D) three at atime
Last Answer : from least significant to the most significant
Description : Station A uses 32 byte packets to transmit messages to Station B using a sliding window protocol. The round trip delay between A and B is 80 milliseconds and the bottleneck bandwidth on the path between A and B ... What is the optimal window size that A should use? a. 20 b. 40 c. 160 d. 320
Last Answer : b. 40
Description : To make SONET backward-compatible with the current hierarchy, its framedesign includes asystem of. A) OCs B) STMs C) STSs D) VTs
Last Answer : VTs
Description : A ring SONET network can be _________. A) unidirectional B) bidirectional. C) either (a) or (b) D) neither (a) nor (b)
Last Answer : bidirectional.
Description : A linear SONET network can be __________. A) point-to-point B) multipoint C) either (a) or (b) D) neither (a) nor (b)
Last Answer : point-to-point
Description : SONET network topologies can be__________. A) linear B) ring C) mesh D) all of theabove
Last Answer : ring
Description : SONET sends ________ frames per second A) 1000 B) 2000 C) 4000 D) 8000
Last Answer : 2000
Description : A SONET system can use _________. A) STS multiplexers B) regenerators C) add/drop multiplexers D) all of theabove
Last Answer : add/drop multiplexers
Description : ______ isa standard developed by ITU-T. A) SONET B) SDH C) either (a) or (b) D) neither (a) nor (b)
Last Answer : either (a) or (b)
Description : isa standard developed by ANSI for fiber-opticnetworks. A) SONET B) SDH C) either (a) or (b) D) neither (a) nor (b)
Last Answer : SDH
Description : SONET frame rows contain path overhead and ____________________ overhead.
Last Answer : transport
Description : The number of path overhead bytes in a SONET frame row is ____________________.
Last Answer : 1
Description : The total number of overhead bytes in a SONET frame row is ____________________.
Last Answer : 4
Description : The number of rows in a SONET frame is ____________________.
Last Answer : 9
Description : The number of bytes in the payload of a SONET frame is ____________________.
Last Answer : 774
Description : The number of bytes in a SONET frame is ____________________.
Last Answer : 810
Description : SONET uses a ____________________ to denote the starting position of an information frame.
Last Answer : pointer
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 : An IPv4 address consistsof _______ bits. A) 4 B) 8 C) 32 D) 64
Last Answer : 32
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 : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route
Last Answer : bridge
Description : In _______ there are no setup or teardown phases. A) datagram switching B) circuit switching C) frame switching D) none of the above
Last Answer : datagram switching
Description : In _______, the resources need to bereserved during the setup phase; the resources remain dedicated for the entire durationof data transfer phase until the teardownphase. A) datagram switching B) circuit switching C) frame switching D) none of the above
Last Answer : circuit switching
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 : The skew specification of your multi-tracked tape recorder reads " +/ - 0.20 microseconds between adjacent tracks on the same head stack at 120 ips." What does this mean?
Last Answer : One of the tracks on a magnetic head could lead or lag the track next to it by as much as 0.20 microseconds at 120 ips.
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 : 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 : 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 : What should be the minimum capacity of the RAM for multimedia? (a) 32 MB (b) 64 MB (c) 128 MB (d) 512 MB -Technology
Last Answer : (b) Atleast 64 MB RAM is needed for multimedia.
Description : What do the following numbers have in sequence - 512-256-128-64?
Last Answer : It is a geometric progression with common ratio 0.5
Description : What is the number of levels required in a PCM system with S/N ratio of 40 dB? A. 64 B. 128 C. 256 D. 512
Last Answer : B. 128
Description : A seven-bit character can represent one of _________ possibilities. A. 14 B. 64 C. 128 D. 7
Description : What is the transmission rate of a GSM cellular system? A. 64 kbps B. 240 kbps C. 128 kbps D. 270 kbps
Last Answer : D. 270 kbps
Description : Find the work done in an inductor of 4H when a current 8A is passed through it? a) 256 b) 128 c) 64 d) 512
Last Answer : b) 128
Description : 256 128 ? 192 96 240 80 a) 64 b) 156 c) 96 d) 128 e) 176
Last Answer : The series is ×0.5, ÷1, ×1.5, ÷2, ×2.5.... Answer: d)
Description : The income of company M in 2010 is Rs. 128 crores. What was its expenditure in that year? 1) Rs. 76.8 crores 2) Rs. 64 crores 3) Rs. 48 crores 4) Can’t be determined 5) None of these
Last Answer : 5) None of these
Description : What is the decimal value of 26? A) 128 B) 36 C) 32 D) 64
Last Answer : D) 64
Description : a zero-order reaction for every 10° rise of temperature, the rate is doubled. If the temperature is increased from 10°C to 100°C, the rate of the reaction will become: (1) 128 times (2) 256 times (3) 512 times (4) 64 times
Last Answer : 512times