Name: __________________________ Date: _____________
1.The ____________ layer links the application layer with the network layer is responsible for end-to-end delivery of messages.
A]physical
B]transport
C]session
D]presentation
E]data link
2.On the destination station, the ________ layer is responsible for providing error-free messages to the ________ layer.
A]network, data link
B]application, transport
C]data link, network
D]physical, data link
E]transport, application
3.__________ is not an important function of the transport layer.
A]end-to-end delivery of the message
B]taking messages from the application layer
C]routing
D]breaking long messages into smaller packets
E]interfacing with the network layer
4.Network _______ are important to ensure that hardware and software from different vendors operated by different companies can communicate.
A]protocols
B]directories
C]frequencies
D]topologies
E]directions
5._______ is the dominant network protocol today.
A]SDLC
B]SNA
C]IPX/SPX
D]TCP/IP
E]X.25
6.Transmission Control Protocol/Internet Protocol was developed for ________ in 1974.
A]ARPANET
B]IBM
C]Hewlett-Packard
D]University of Minnesota
E]Xerox
7.TCP/IP:
A]is the least commonly used network protocol for LANs because it cannot be combined with Ethernet
B]performs packetizing, as well as routing and addressing functions
C]is not very efficient and is prone to errors
D]is compatible with only one type of data link protocol, SDLC
E]refers to Telephone Control Procedures/Inter-exchange Procedures
8.A typical TCP packet has a _______ header of control information.
A]32-bit
B]64-bit
C]160-bit
D]192-bit
E]32-byte
9.The source destination port identifier tells the destination station _____________.
A]which computer sent the TCP packet.
B]which application layer program that the packet should be sent
C]which application layer process the packet is from.
D]the IP address of the source computer.
E]the IP address of the destination computer.
10.TCP uses _____________ so that the destination station can reassemble the packets into the correct order.
A]IP addresses
B]sequence numbers
C]port numbers
D]packet numbers
E]reassembly value
11.The older version of IP has a ________ header of control information.
A]128-bit
B]192-bit
C]1024-bit
D]160-bit
E]320-bit
12.IP:
A]performs packetizing functions
B]does not have a header
C]is currently in use with only one packet form or structure
D]performs routing functions
E]performs error control functions
13.The newer form of IP, version 6 [Ipv6] is:
A]running out of address space to support the growth of the Internet
B]has a 20 byte header
C]has an increased address size from 32 bits to 128 bits
D]does not include version number in its header
E]does not include hop limit in its header
14.IPX/SPX:
A]refers to Intermodulation Protocol Exchange/Serial Protocol Exchange
B]is the primary network protocol used by Microsoft NT networks
C]is based on a routing protocol developed by IBM in the 1990s
D]is not similar to TCP/IP in function can not be used with Ethernet
E]performs packetizing, as well as addressing and routing functions
15.In the IPX/SPX network model, ______is the network layer protocol and performs the same routing and addressing functions as its counterpart IP in the TCP/IP model.
A]IPX
B]SPX
C]SAP
D]NCP
E]UDP
16.X.25:
A]does not perform routing functions
B]is a network standard used in wide area networks
C]is extensively used in North America by domestic [non-international] companies
D]is relatively new, therefore it is not used by many organizations
E]has one part that handles addressing and packetizing
17.Assume that more than one application programs that are using the same communications line on a particular computer. To be able to decide to which application program a message should be delivered on this computer, TCP/IP relies on the:
A]data link layer address
B]port address
C]application layer address
D]network address
E]IP address
18.The transport layer must break messages from the application layer into several _____ that can be sent to the data link layer.
A]bits
B]bytes
C]frames
D]packets
E]strings
19.The negotiation by the transport layer at the sender with the transport layer at the receiver to determine what size packets should be set up is done via establishing a[n] ___________ between the sender and receiver.
A]network layer address resolution
B]one way handshake
C]SNA message
D]TCP connection
E]DNS server request
20.A virtual circuit is established in the ___________ routing method.
A]asynchronous
B]connection-oriented
C]frequency division
D]application net
E]connectionless
21.A special packet called a[n] _____________ packet is sent to the receiver requesting the establishment of a connection
A]ACK
B]NAK
C]SYN
D]ARQ
E]FIN
22._____________ routing is a method of routing in which each packet makes its own way through the network.
A]Frequency division
B]Connection-oriented
C]PCMCIA
D]Connectionless
E]Application net
23.In connection-oriented routing, the _________ layer sets up a virtual circuit between the sender and the receiver.
A]transport
B]network
C]physical
D]data link
E]connection
24.Which of the following is not a protocol used at the application layer.
A]HTTP
B]SMTP
C]FTP
D]Telnet
E]UDP
25.______________ routing is most commonly used when the application data or message can fit into one single packet.
A]Frame-oriented
B]Connection-oriented
C]Connectionless
D]Physical-oriented
E]Byte-oriented
26.UDP is not commonly used for:
A]network management control messages
B]RIP messages
C]DHCP addressing messages
D]HTTP requests
E]routing control messages
27.With QoS routing different __________ are defined, each with different priorities.
A]classes of service
B]domain names
C]application layer addresses
D]data link layer addresses
E]classes of Internet addresses
28.An application layer address using TCP/Ipv4 looks like:
A]128.192.78.5
B]www.cba.uga.edu
C][email protected]
D]00-0F-00-81-14-00
E]Building 4, Room 2, User 3
29.A client computer is assigned a data link layer address is by:
A]hardware manufacturers
B]software manufacturers
C]middleware manufacturers
D]network managers who configure a file in a computer's network layer software package
E]ISO
30.ICANN:
A]developed the IPX/SPX network layer protocol
B]assigns data link layer addresses
C]approves which network layer addresses [usually, approved or assigned in groups or classes] can be used by an organization for its computers that will connect to the Internet
D]developed X.25 network layer protocol
E]refers to Interchange Computer Addressing Networks and Nodes
31.IPv6 will be based upon _________ -byte addresses.
A]32
B]24
C]4
D]16
E]8
32.IPv4 uses ________ bytes per Internet address.
A]4
B]32
C]8
D]24
E]16
33.A[n] ________ refers to a group of computers that are logically grouped together by IP number.
A]IPv6 group
B]subnet
C]data link group
D]TCP group
E]application net
34.A subnet mask of ___________ means that all computers with only the same first two bytes in their IPv4 addresses are on the same subnet.
A]11111111.0.0.0
B]255.255.255.0
C]255.0.0.0
D]255.255.0.0
E]255.255.255.255
35.Dynamic addressing:
A]assigns a permanent network layer address to a client computer in a network
B]makes network management more complicated in dial-up networks
C]has only one standard, bootp
D]is always performed for servers only
E]can solve many updating headaches for network managers who have large, growing, changing networks
36.___________ is the translation of application layer addresses into IP addresses.
A]Network interface card reversal
B]IPv6
C]Server name resolution
D]Subnet masking
E]Name service coding
37.Server name resolution is done using the:
A]Address Resolution Protocol
B]Border Gateway Protocol
C]Internet Control Message Protocol
D]Routing Information Protocol
E]Domain Name Service
38.When TCP/IP translates an application layer address into an IP address, it sends a special __________ to the nearest DNS server.
A]broadcast message
B]DNS request packet
C]SNA packet
D]IPX message
E]X.25 packet
39.When TCP/IP translates a network layer address into a data link layer address, it sends a special _________