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 : Which of the following is true about ICMP messages? A) An ICMP error message may be generated for an ICMP error message. B) An ICMP error message may be generated only for the first fragment. C) An ICMP error message may be generated for a multicast datagram. D) noneis true
Last Answer : An ICMP error message may be generated only for the first fragmen
Description : Which of the following is true about ICMP messages? A) An ICMP error message may be generated for an ICMP error message. B) An ICMP error message may be generated for each fragment. C) An ICMP error message may be generated for a multicast datagram. D) noneis true
Last Answer : noneis true
Description : ICMP messagesare divided into two broad categories: _____________. A) query and error reporting messages B) request and response messages C) request and reply messages D) noneof the above
Last Answer : query and error reporting messages
Description : ICMP (Internet Control Message Protocol) is A. a TCP/IP protocol used todynamically bind ahigh level IP Address to alow-level physical hardware address B. a TCP/IP high level protocol for transferring ... to monitor computers D. a protocol that handles error andcontrol messages E. None of the above
Last Answer : a protocol that handles error andcontrol messages
Description : The Internet Control Message Protocol (ICMP) A. allows gateways to send error acontrol messages toother gateways or hosts B. provides communication between the Internet Protocol Software on one machine ... and takeaction to correct theproblem D. All of theabove E. None of the above
Last Answer : All of theabove
Description : What are the problems involved in an IP Fragmentation Process? A. Loss of any fragment results in rejection of all datagrams B. Management of buffer space is essential to handle reassembly process C. No necessity of initializing ... -oriented IP service a. A & B b. C & D c. B& C d. A & D
Last Answer : a. A & B
Description : ICMP stands for __________ a. Internet Coordinate Message Protocol b. Internet Control Message Protocol c. Interconnect Control Message Protocol d. Interconnect Coordinate Message Protocol
Last Answer : b. Internet Control Message Protocol
Description : Which of the following algorithms is not a broadcast routing algorithm ? (A) Flooding (B) Multidestination routing (C) Reverse path forwarding (D) All of the above
Last Answer : (D) All of the above
Description : Which one of the following is not a function of network layer? a. routing b. inter-networking c. congestion control d. error contro
Last Answer : d. error control
Description : Which one of the following is not a function of network layer? a) routing b) inter-networking c) congestion control d) error control
Last Answer : d) error control
Description : The routing processor of arouter performs the ________ layer functions of therouter. A) physical and data link B) network C) transport D) none of the above
Last Answer : network
Description : A ________bridge can forward and filter frames andautomatically buildits forwarding table. A) simple B) dual C) transparent D) none of the above
Last Answer : transparent
Description : RPF eliminates the ________ in theflooding process. A) forwarding B) backwarding C) flooding D) none of the above
Last Answer : none of the above
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 : An ICMP message has _____ headerand a variable-size data section. A) a 16-byte B) a 32-byte C) an 8-byte D) noneof the above
Last Answer : an 8-byte
Description : ICMP is a _________ layer protocol. A) datalink B) transport C) network D) noneof the above
Description : A layer-4 firewall (a device that can look at all protocol headers up to the transport layer) CANNOT a. block entire HTTP traffic during 9:00PM and 5 :0OAM b. block all ICMP traffic c. stop ... address d. block TCP traffic from a specific user on a multi-user system during 9:00PM and 5:00AM
Last Answer : d. block TCP traffic from a specific user on a multi-user system during 9:00PM and 5:00AM
Description : Which among the below stated datagram discard code fields in ICMP is/are generated if a router fails to forward a packet due to administrative filtering? a. Source Route Failed b. Communication Administratively Prohibited c. Host Precedence Violation d. Precedence Cut-off in Effect
Last Answer : b. Communication Administratively Prohibited
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 : Which protocol does switch use at the layer 2 for finding MAC address? a. ICMP b. UDP c. ARP d. TCP
Last Answer : c. ARP
Description : State weather the following statement is true or false for Internetwork layer. 1).Other internetwork-layer protocols are IP, ICMP, IGMP, ARP, and RARP. 2). Internet Protocol (IP) is the least important protocol in this layer ... 3.true C. 1. false, 2. false, 3. false D. 1. true, 2. true, 3. false
Last Answer : B. 1. true, 2. false, 3.true
Description : Define ICMP.
Last Answer : Internet Control Message Protocol is a collection of error messages that are sent back to the source host whenever a router or host is unable to process an IP datagram successfully.
Description : ___ layer perform the host addressing and packet routing. A. Application layer B. Transport layer C. Network layer D. Link layer
Last Answer : C. Network layer
Description : Physical or logical arrangement of network is __________ a) Topology b) Routing c) Networking d) Control
Last Answer : a) Topology
Description : A __________ is a device that forwards packets between networks by processing the routing information included in the packet. a) bridge b) firewall c) router d) hub
Last Answer : c) router
Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? a. logical link control sublayer b. media access control sublayer c. network interface control sublayer d. error control sublayer
Last Answer : b. media access control sublayer
Description : The functions of a Logical Link Layer (LLC) are a. Error control b. Flow control c. Creating and managing the communication link between two devices with the help of the Transport layer. d. All the above
Last Answer : d. All the above
Description : Which sublayer of the data link layer performs data link functions that depend upon the type of medium? A. logical link control sublayer B. media access control sublayer C. network interface control sublayer D. error control sublayer
Last Answer : B. media access control sublayer
Description : The functions of a Logical Link Layer (LLC) are ___. A. Error control B. Flow control C. Creating and managing the communication link between two devices with the help of the Transport layer. D. All the above
Last Answer : D. All the above
Description : . In IEEE 802.11, the addressing mechanism can include upto ______addresses. A) four B) five C) six D) none of the above
Description : In Ethernet addressing, ifall the bits are 1s, the address is _________. A) unicast B) multicast C) broadcast D) none of the above
Last Answer : broadcast
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 : In a ________ network, twotypes of addressing are involved: global and local. A) virtual-circuit B) datagram C) circuit-switched D) none of the above
Last Answer : virtual-circuit
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 : 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
Description : IPv6 does not support which of the following addressing modes? a. unicast addressing b. multicast addressing c. broadcast addressing d. anycast addressing
Last Answer : c. broadcast addressing
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 : The function of IP adress is …………………………………………. A. host identification B. network interface identification C. location addressing D. all of the above
Last Answer : D. all of the above
Description : State weather the following statement is true or false for IPV6 Addressing 1). IPV6 is a routable protocol that addresses, routes, fragments, and reassembles packets 2).IPV6 is a connectionless, unreliable datagram protocol. 3). ... C. 1. false, 2. false, 3. false D. 1.false, 2. true, 3. true
Last Answer : A. 1. True, 2. true, 3. true
Description : . A procedure included in the caller’s address space by the linker is known as ______. A. local procedure B. Universal procedure C. addressing linker D. both a and b
Last Answer : A. local procedure
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 : In classless addressing,the netid length defines the _____________ A. prefix B. hostid C. mask D. none of the above
Last Answer : C. mask
Description : Which device uses logical addressing system? a. Hub b. Switch c. Bridge d. Router
Last Answer : d. Router
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 OSI network architecture, the routing is performed by a. network layer b. data link layer c. transport layer d. session layer e. none of above
Last Answer : network layer
Description : In ATM, the ______ layerprovides routing, traffic management, switching, and multiplexing services. A) physical B) ATM C) AAL D) none of the above
Last Answer : ATM