Description : What is the lastaddress of a blockof classless addresses ifone of the addresses is 12.2.2.127/28? A) 12.2.2.16 B) 12.2.2.112 C) 12.2.2.127 D) none of the above
Last Answer : 12.2.2.127
Description : What is the firstaddressof a block of classless addresses ifone of the addresses is 12.2.2.76/10? A) 12.0.0.0 B) 12.2.0.0 C) 12.2.2.2 D) none of the above
Last Answer : 12.0.0.0
Description : What is the firstaddressof a block of classless addresses ifone of the addresses is 12.2.2.76/27? A) 12.2.2.0 B) 12.2.2.32 C) 12.2.2.64 D) none of the above
Last Answer : 12.2.2.64
Description : What is the lastaddress of a blockof classless addresses ifone of the addresses is 12.2.2.6/30? A) 12.2.2.2 B) 12.2.2.6 C) 12.2.2.7 D) none of the above
Last Answer : 12.2.2.7
Description : An organization isgranteda block of classless addresses with the starting address 199.34.76.64/28. How manyaddresses are granted? A) 8 B) 16 C) 32 D) none of the above
Last Answer : 16
Description : An organization isgranteda block of classless addresses with the starting address 199.34.32.0/27. How many addresses are granted? A) 8 B) 16 C) 32 D) none of the above
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 : On which factors do the size of block depends in classless addressing? a. Nature & size of an entity b. Number of addresses c. Availability of the address space d. All of the above
Last Answer : a. Nature & size of an entity
Description : Find thenumber of addresses in ablock of classless addresses if one of theaddresses is 12.2.2.7/30. A) 2 B) 4 C) 8 D) none of the above
Last Answer : 4
Description : Find thenumber of addresses in ablock of classless addresses if one of theaddresses is 12.2.2.7/24. A) 32 B) 64 C) 256 D) none of the above
Last Answer : 256
Description : Which address could be the beginningaddress of ablock of256 classless addresses? A) 2.4.6.5 B) 2.4.6.15 C) 2.4.6.0 D) none of the above
Last Answer : 2.4.6.0
Description : Which address could be the beginningaddress of ablock of16 classless addresses? A) 2.4.6.5 B) 2.4.6.15 C) 2.4.6.62 D) none of the above
Last Answer : none of the above
Description : Which address could be the beginningaddress of ablock of32 classless addresses? A) 2.4.6.5 B) 2.4.6.16 C) 2.4.6.64 D) none of the above
Last Answer : 2.4.6.64
Description : The firstaddressassignedto an organization in classless addressing_______. A) must bea powerof 4 B) must beevenly divisible by the number of addresses C) must belong to one of the A, B, or C classes D) none of the above
Last Answer : must beevenly divisible by the number of addresses
Description : Which of the following is/are restriction(s) in classless addressing ? (A) The number of addresses needs to be a power of 2. (B) The mask needs to be included in the address to define the block. (C) The starting address must be divisible by the number of addresses in the block. (D) All of the above
Last Answer : (D) All of the above
Description : What is the loopback address of localhost? A. 0.0.0.0 B. 127.0.0.1 C. 172.16.12.1 D. 255.0.0.0
Last Answer : C. 172.16.12.1
Description : The number of addresses in a class A block is _______. A) 65,534 B) 16,777,216 C) 256 D) none of the above
Last Answer : 16,777,216
Description : The number of addresses in a class B block is _______. A) 65,536 B) 16,777,216 C) 256 D) none of the above
Last Answer : 65,536
Description : The number of addresses in a class C block is _______. A) 65,534 B) 16,777,216 C) 256 D) none of the above
Description : In a block, the mask is 255.255.192.0; what is the prefix length? A) /20 B) /28 C) /18 D) none of the above
Last Answer : /18
Description : In classless addressing, the prefix length defines the_____________. A) netid B) hostid C) mask D) none of the above
Last Answer : mask
Description : In classless addressing, the _______ is the varying part (similar tothe hostid). A) suffix B) prefix C) hostid D) none of the above
Last Answer : suffix
Description : In classless addressing, the ______isanother name for thecommon part of the address range. A) suffix B) prefix C) netid D) none of the above
Last Answer : prefix
Description : The number of addressesassignedtoan organization in classless addressing_______. A) can be any number B) must bea multiple of 256 C) must bea powerof 2 D) none of the above
Last Answer : must bea powerof 2
Description : The idea of address aggregation wasdesigned to alleviate theincreasein routing table entries when using ________. A) classful addressing B) classless addressing C) both a and b D) none of the above
Last Answer : classless addressing
Description : In classless addressing,the netid length defines the _____________ A. prefix B. hostid C. mask D. none of the above
Last Answer : C. mask
Description : When a voltage of 112 VDC is applied to the illustrated circuit with a resistance of 12 ohms the current will be ________. EL-0018 A. .107 amps B. 1.28 amps C. 9.33 amps D. 124 milliamps
Last Answer : Answer: C
Description : 3 7 6 28 9 112 12 ? a) 112 b) 448 c) 28 d) 38 e) None of these
Last Answer : First series: 3, 6, 9 (increased by 3) Second Series: 7, 28, 112, 448 (multiplied by 4) Answer: d)
Description : Which address is the loopback address? A. 0.0.0.1 B. 127.0.0.0 C. 127.0.0.1 D. 255.255.255.255 E. None of the above
Last Answer : 255.255.255.255
Description : What is the default subnet mask for a class C network? A. 127.0.0.1 B. 255.0.0.0 C. 255.255.0.0 D. 255.255.255.0 E. None of the above
Last Answer : 255.255.255.0
Description : An organization isgranteda block;oneaddress is2.2.2.64/25. If thesubnet prefix length is /28, what is the maximum number of subnets? A) 2 B) 4 C) 8 D) none of the above
Description : Using 12 binary digits how many unique house addresses would be possible: a. 28=256 b. 212=4096 c. 216=65536 d. None of these
Last Answer : b. 212=4096
Description : Suppose that the one-way propagation delay for a 100 Mbps Ethernet having 48-bit jamming signal is 1.04 micro-seconds. The minimum frame size in bits is: a. 112 b. 160 c. 208 d. 256
Last Answer : d. 256
Description : In _______forwarding, the mask anddestination addresses are both 0.0.0.0 in therouting table. A) next-hop B) network-specific C) host-specific D) default
Last Answer : default
Description : You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and192.168.7.0. What subnet mask can you use to combine these addresses intoone? A. 255.255.252.0 B. 225.255.254.0 C. 255.255.255.240 D. 255.255.255.252
Last Answer : 255.255.252.0
Description : 1/9, 4/9, 1 7/9, 7 1/9, 28 4/9, ? a) 112(1/9) b) 113(7/9) c) 115(4/9) d) 140(5/9) e) 142(2/9)
Last Answer : The pattern is 1/9,4/9,16/9,64/9,256/9,1024/9. 1024/9 = 113 7/9 Answer: b)
Description : In IPv6,a ___________ address is anaddress of 96 bits of zero followed by32 bits of IPv4 address. A) link local B) site local C) mapped D) none of the above
Description : If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be a. 216 b. 65,536 c. 64K d. Any of the above
Description : A _______ can check the MAC addresses contained inthe frame. A) passive hub B) repeater C) bridge D) route
Last Answer : bridge
Description : Membership in a VLAN can be based on _________. A) port numbers B) MAC addresses C) IP addresses D) all of theabove
Last Answer : all of theabove
Description : In IPv6,____ address defines a groupof computers with addresses that have thesame prefix. A) aunicast B) a multicast C) an anycast D) none of the above
Last Answer : an anycast
Description : In IPv4, class _______ has the greatestnumber of addresses in eachblock. A) A B) B C) C D) D
Last Answer : A
Description : The logicaladdresses in theInternetarecalled _______ addresses. A) port B) IP C) Email D) noneof the above
Last Answer : IP
Description : Which of the following statement is incorrect? A. The Addresses Resolution Protocol, ARP, allows a host to find the physicaladdress ofa target host on the samephysical network, given only the target IP address. ... -addresses of our choice to every machine. D. All of theabove E. None of the above
Last Answer : All of theabove
Description : State the following statement is true or false. I. In class B addresses a total of more than 1 billion addresses can be formed. II. Class E addresses are reserved for future or experimental use. a. True, False b. True, True c. False, True d. False, False
Last Answer : b. True, True
Description : addresses are reserved for multicasting. a. Class B b. Class C c. Class D d. Class E
Last Answer : c. Class D
Description : Which intermediaries are more likely to get involved during the transfer function of an e-mail system? a. Storage and forwarding of e-mail for certain addresses b. Act as gateways to other e-mail or messaging systems c. Both a & b d. None of the above
Last Answer : c. Both a & b
Description : Which of the following assertions is FALSE about the Internet Protocol (IP)? a. It is possible for a computer to have multiple IP addresses b. IP packets from the same source to the same ... outgoing packets; the route is determined only by the routing tables in the routers on the way
Last Answer : d. The packet source cannot set the route of an outgoing packets; the route is determined only by the routing tables in the routers on the way
Description : Which form of byte assigning strategy is adopted in class B type of network corresponding to IP addresses? a. Network.Node.Node.Node b. Network.Network.Node.Node c. Network.Network.Network.Node d. Network.Node.Node.Node
Last Answer : b. Network.Network.Node.Node
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