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tcpip

Descrição

tcip protocol suite
tgmccue
Quiz por tgmccue, atualizado more than 1 year ago
tgmccue
Criado por tgmccue mais de 9 anos atrás
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Resumo de Recurso

Questão 1

Questão
in the OSI Model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's ____________ Layer.
Responda
  • physical
  • transport
  • session
  • presentation

Questão 2

Questão
The _______ Layer is responsible for moving frames from on hop to the next?
Responda
  • physical
  • data link
  • transport
  • none

Questão 3

Questão
The ____ Layer is responsible for the delivery of message from one process to another
Responda
  • network
  • physical
  • transport
  • none

Questão 4

Questão
In the OSI model, encryption and decryption are functions of the _____ layer?
Responda
  • transport
  • session
  • presentation
  • application

Questão 5

Questão
Routers function in the _____ layer?
Responda
  • data link
  • data link and network
  • physical and data link
  • physical,data link, and network

Questão 6

Questão
switches function in the _____ layers.
Responda
  • data link
  • data link and network
  • physical and data link
  • physical, data link, and network

Questão 7

Questão
_______ has a higher transmission rate in the downstream direction than in the upstream direction
Responda
  • ADSL
  • HDSL
  • SDSL
  • VDSL

Questão 8

Questão
in an ESS the _______ stations are part of a wired LAN.
Responda
  • AAL5
  • AP
  • ATM
  • BSS

Questão 9

Questão
PPP is a _______ layer protocol?
Responda
  • data link
  • network
  • physical and data link
  • network and data link

Questão 10

Questão
when the internet started it was decided to make the network layer a ______ service to make it simple
Responda
  • connectionless
  • connection oriented
  • virtual
  • none

Questão 11

Questão
in a ____ service, there is a relation between all packets belonging to a message?
Responda
  • connectionless
  • connection oriented
  • virtual
  • none

Questão 12

Questão
In a connection-oriented service, each packet is forwarded based on the______.
Responda
  • destination address
  • label
  • source address
  • none

Questão 13

Questão
_________ control means regulation the amount of data a source can send without overwhelming the destination.
Responda
  • congestion
  • error
  • flow
  • none

Questão 14

Questão
______ control in a network means handling a situation in which too many packets are present in an area of the internet
Responda
  • flor
  • error
  • congestion
  • none

Questão 15

Questão
In class C, the netid is between
Responda
  • 0 to 127
  • 128 to 191
  • 192 to 223
  • none

Questão 16

Questão
In classless addressing, a ____ is assigned to an organization.
Responda
  • fixed-length
  • fixed number of blocks
  • variable-length block
  • none

Questão 17

Questão
The number of addresses assigned to an organization in classless addressing _____.
Responda
  • can be any number
  • must be a multiple of 256
  • must be a power of 2
  • none

Questão 18

Questão
Which address could be the beginning address of a block of 32 classless addresses?
Responda
  • 2.4.6.5
  • 2.4.6.16
  • 2.4.6.64
  • none

Questão 19

Questão
An organization is granted a block: one address is 2.2.2.64/25. If the subnet prefix length is /28 what is the maximum number of subnets?
Responda
  • 2
  • 4
  • 8
  • 16
  • 32
  • 64

Questão 20

Questão
in a _____ delivery, both the deliverer of the ip packet and the destination are on the same network.
Responda
  • connection-oriented
  • connnectionless
  • direct
  • indirect
  • virtual

Questão 21

Questão
in ______ delivery, the deliverer of the ip packet and the destination are on different networks.
Responda
  • connection-oriented
  • connectionless
  • direct
  • indirect

Questão 22

Questão
IN _____ forwarding, the full ip address of a destination is given in the routing table
Responda
  • defualt
  • host specific
  • next hop
  • network specific

Questão 23

Questão
In _______ forwarding, the mask and destination address are both 0.0.0.0 in the routing table.
Responda
  • deafualt
  • host specific
  • next-hop
  • network specific

Questão 24

Questão
in ______ forwarding the destination address is a network address in the routing table
Responda
  • default
  • host specific
  • next hop
  • network specific

Questão 25

Questão
In ______ forwarding, the routing table holds the address of just the next hop instead of complete route info.
Responda
  • default
  • host specific
  • next hop
  • network specific

Questão 26

Questão
in classsless addressing, we need routing table with atleast ______ columns
Responda
  • 3
  • 4
  • 6
  • 8

Questão 27

Questão
The principle of _______ states that the routing table is sorted from longest mask to the shortest mask.
Responda
  • first mask matching
  • last mask matching
  • longest mask matching
  • shortest mask matching

Questão 28

Questão
A ____ routing table contains information entered manually?
Responda
  • dynamic
  • hierarchical
  • static
  • virtual

Questão 29

Questão
The input and output ports of a router perform the ______ layer functions of the router
Responda
  • network
  • physical and data link
  • physical and network
  • transport

Questão 30

Questão
The _____ protocol is the transmission mechanism used by the tcp/ip sutie.
Responda
  • ARP
  • ICMP
  • IP
  • TCP

Questão 31

Questão
IP is ______ datagram protocol
Responda
  • connectionless
  • unreliable
  • both connectionless and unreliable
  • none

Questão 32

Questão
AN HLEN value of decimal 10 means
Responda
  • 10 bytes in the header
  • 40 bytes in the header
  • 10 bytes of option
  • 40 bytes of option

Questão 33

Questão
if the fragment offset has a value of 100 it means that
Responda
  • the datagram has not been fragmented
  • the datagram is 100 bytes in size
  • the first byte of the datagram is byte 800
  • the last byte of the datagram is byte 800

Questão 34

Questão
The ip header size is _______ bytes long.
Responda
  • 10
  • 20
  • 60
  • 20 to 60

Questão 35

Questão
Packets in the ip layer are called
Responda
  • datagrams
  • frames
  • packets
  • segments

Questão 36

Questão
When a datagram is encapsulated in a frame, the total size of the datagram must be less than the ____
Responda
  • MAT
  • MTA
  • MUT
  • MTU

Questão 37

Questão
The ______ module consults the MTU table to determine the packet size necessary for transsmission
Responda
  • forwarding
  • fragmentation
  • proccessiong
  • sizing

Questão 38

Questão
To find the physical address of the exiting-point router, ATM uses the service of ________
Responda
  • ARP
  • ATMARP
  • ICMP
  • IP

Questão 39

Questão
A ______ is an ARP that acts of behalf of a set of hosts
Responda
  • ARP
  • DHCP
  • RARP
  • Proxy ARP

Questão 40

Questão
in _____ mapping , a table associating a logical address with a physical address is updated manually
Responda
  • dyanmic
  • static
  • logical
  • physical

Questão 41

Questão
A ______ is a local address. Its jurisdiction is over a local network
Responda
  • logical address
  • physical address
  • port
  • static address

Questão 42

Questão
ICMP is a ______ layer protocol
Responda
  • application
  • data link
  • network
  • transport

Questão 43

Questão
for the purposes of routing, the internet is divided into
Responda
  • autonomous networks
  • autonomous systems
  • wide area networks
  • none

Questão 44

Questão
routing between autonomous systems is referred to as _______ routing.
Responda
  • border
  • interdomain
  • intradomain
  • out of domain

Questão 45

Questão
IN _____ routing, the least cost route between any two nodes is the route with the minumum distance
Responda
  • distance vector
  • link state
  • path vector

Questão 46

Questão
IN _____, each node maintains a vector minimum distance to everynode
Responda
  • distance vector
  • link state
  • path vector

Questão 47

Questão
in RIP, the ____ timer controls the advertising of regular update messages.
Responda
  • expiration
  • garbage collection
  • periodic

Questão 48

Questão
RIP uses the services of
Responda
  • ARP
  • Ethernet
  • IP
  • UDP

Questão 49

Questão
The _____ routing uses the dijkstra algorithm to build a routing table
Responda
  • distance vector
  • link state
  • path vector

Questão 50

Questão
in _____ rotuing, we assume that there is one node in each autonomous system that acts on behalf of the the entire system
Responda
  • distance vector
  • link state
  • path vector

Questão 51

Questão
The ___ protocol allows the admin to assign cost, called the metric to each route
Responda
  • BGP
  • OSPF
  • RIP

Questão 52

Questão
BGP uses the services of
Responda
  • ARP
  • IP
  • ethernet
  • UDP
  • TCP

Questão 53

Questão
The main problem that must be solved in providing mobile communication using the ip protocol is
Responda
  • addressing
  • connecting
  • forwarding
  • none

Questão 54

Questão
The original IP addressing was based on the assumption that a host is ______
Responda
  • stationary
  • mobile
  • moving

Questão 55

Questão
When a mobile host acts as a foreign agent, the care of address is called a ____ care of address
Responda
  • co-located
  • commmon
  • shared

Questão 56

Questão
A registration request or reply is sent by ____ using a well known port 434
Responda
  • IP
  • TCP
  • UDP

Questão 57

Questão
one to many communication between one source and specific group of hosts is classified as a ______ communications
Responda
  • broadcast
  • multicast
  • unicast

Questão 58

Questão
IN ______, the router forwards the received packet through only one of its interfaces
Responda
  • broadcast
  • multicast
  • unicast

Questão 59

Questão
emulation of ____ through _____ is not efficient and may create long delays
Responda
  • broadcasting:multicasting
  • multicasting: multiple unicasting
  • unicasting: multiple unicasting

Questão 60

Questão
in multicast routing, each involved router needs to construct a ___ path tree for each group
Responda
  • average
  • longest
  • shortest

Questão 61

Questão
In the group-shared tree approach, ________ is/are involved in mulitcasting
Responda
  • all routers
  • only some routers
  • only the core router

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