A GUIDE TO DESIGNING AND IMPLEMENTING LOCAL AND WIDE AREA NETWORKS, 2ND EDITION MICHAEL – TEST BANK

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Chapter 5 – LAN Protocols

 

TRUE/FALSE

 

  1. ARCnet is an early proprietary network alternative that uses specialized packets with tokens and that employs a bus-star network design.

 

ANS:  T                    PTS:   1                    REF:   214

 

  1. IPX/SPX cannot be used with NetWare 6.

 

ANS:  F                    PTS:   1                    REF:   214

 

  1. When you configure NWLink IPX/SPX on most Windows-based operating systems, the default is to have the operating system automatically detect the Ethernet frame type already in use on the network.

 

ANS:  T                    PTS:   1                    REF:   217

 

  1. NDIS can bind only one protocol to a single NIC.

 

ANS:  F                    PTS:   1                    REF:   218

 

  1. NetBIOS is a protocol.

 

ANS:  F                    PTS:   1                    REF:   221

 

  1. With the advent of Windows 2000 and .NET server, TCP/IP is required over NetBEUI for Active Directory and Internet compatibility.

 

ANS:  T                    PTS:   1                    REF:   235

 

  1. AppleTalk Phase I enables internetworking.

 

ANS:  F                    PTS:   1                    REF:   222

 

  1. A NetWare or a Windows 2000 server can be configured as a server for Macintosh computers, as long as AppleTalk Phase II is used.

 

ANS:  T                    PTS:   1                    REF:   226

 

  1. AARP resolves computer and domain names to IP addresses when IP is used with AppleTalk.

 

ANS:  T                    PTS:   1                    REF:   225

 

MODIFIED TRUE/FALSE

 

  1. The “X” in IPX stands for Xerox. _________________________

 

ANS:  F, Exchange

 

PTS:   1                    REF:   214

 

  1. SPX uses connection-oriented services. _________________________

 

ANS:  T                                                     PTS:   1                    REF:   215

 

  1. ODI is made by Microsoft. _________________________

 

ANS:  F, Novell

 

PTS:   1                    REF:   217

 

  1. Most implementations of Windows NT/2000/.NET Server use NetBEUI. _________________________

 

ANS:  F, TCP/IP

 

PTS:   1                    REF:   220

 

  1. NetBIOS provides naming services that are used on Microsoft networks. _________________________

 

ANS:  T                                                     PTS:   1                    REF:   221

 

  1. Addressing in AppleTalk Phase I is accomplished by providing a node identification (ID). _________________________

 

ANS:  T                                                     PTS:   1                    REF:   223

 

  1. Token ring communications are facilitated in AppleTalk Phase II though the use of ELAP. _________________________

 

ANS:  F, TLAP

 

PTS:   1                    REF:   224

 

  1. IMS is a software system that provides basic tools for programmers to interface with SNA. _________________________

 

ANS:  T                                                     PTS:   1                    REF:   231

 

  1. The most effective way to increase network performance is to minimize the number of LAN protocols that must cross each router. _________________________

 

ANS:  T                                                     PTS:   1                    REF:   233

 

MULTIPLE CHOICE

 

  1. Which is not true?
a. LAN protocols enable effortless interchange among connected devices.
b. LAN protocols give meaning to simple electrical signals that are carried on network communications cable.
c. For two computers to fully communicate, they must use the same protocol.
d. None of the above.

 

 

ANS:  D                    PTS:   1                    REF:   212

 

  1. A LAN can transport up to ____ protocols individually.
a. 2 c. 6
b. 4 d. None of the above.

 

 

ANS:  D                    PTS:   1                    REF:   212

 

  1. ____ is most closely associated with client systems that communicate with SNA-based IBM mainframe systems.
a. DLC c. NetBEUI
b. DNA d. TCP/IP

 

 

ANS:  A                    PTS:   1                    REF:   214

 

  1. TCP/IP is most closely associated with ____ operating systems.
a. UNIX c. IBM mainframe operating systems
b. Novell NetWare d. All of the above.

 

 

ANS:  D                    PTS:   1                    REF:   214

 

  1. A computer operating system is software that interacts on a computer at ____ levels.
a. 1 c. 3
b. 2 d. 4

 

 

ANS:  B                    PTS:   1                    REF:   214

 

  1. A network operating system is software that interacts on a computer at ____ levels.
a. 1 c. 3
b. 2 d. 4

 

 

ANS:  C                    PTS:   1                    REF:   214

 

  1. The ____ operating system was originally developed for Ethernet bus, token ring, and ARCnet networks that employed one file server.
a. UNIX c. NetWare
b. IBM mainframe d. Both A and C.

 

 

ANS:  C                    PTS:   1                    REF:   214

 

  1. The “S” in SPX stands for ____.
a. Single c. Simple
b. System d. Sequenced

 

 

ANS:  D                    PTS:   1                    REF:   214

 

  1. IPX was modeled after the ____ protocol.
a. DLC c. NetBEUI
b. DNA d. XNS

 

 

ANS:  D                    PTS:   1                    REF:   214

 

  1. This type of Ethernet frame type is used on networks with servers running NetWare 3.21 to 4.x.
a. Ethernet II c. 802.2
b. Ethernet SNAP d. 802.3

 

 

ANS:  C                    PTS:   1                    REF:   215

 

  1. Which is not true about IPX?
a. It can transport data over multiple networks in an enterprise.
b. It is faster than SPX.
c. Using multiple IPX-configured NetWare servers with several hundred clients will reduce network traffic.
d. None of the above.

 

 

ANS:  C                    PTS:   1                    REF:   215

 

  1. In Windows 95 and above, which would you not use to connect to a NetWare server using IPX/SPX?
a. ODI c. NDIS
b. NWLink d. Either B or C.

 

 

ANS:  A                    PTS:   1                    REF:   216

 

  1. ____ supports communications with NetWare file servers, mainframes and minicomputers, and the Internet and can be used with network clients running MS-DOS and Microsoft Windows-based clients.
a. ODI c. NDIS
b. NWLink d. None of the above.

 

 

ANS:  A                    PTS:   1                    REF:   216

 

  1. The “S” in NDIS stands for ____.
a. System c. Software
b. Specification d. Sequenced

 

 

ANS:  B                    PTS:   1                    REF:   215

 

  1. NDIS and ODI operate at the ____.
a. MAC sublayer of the Data Link layer c. Network layer
b. Physical layer d. LLC sublayer of the Data Link layer

 

 

ANS:  D                    PTS:   1                    REF:   217

 

  1. IPX/SPX operates at the ____.
a. MAC sublayer of the Data Link layer c. Network layer
b. Physical layer d. LLC sublayer of the Data Link layer

 

 

ANS:  C                    PTS:   1                    REF:   217

 

  1. In Windows 2000 and Windows XP, when you choose the manual configuration process and override the automatic detection, the system defaults to the ____ frame type, if you do not make a different selection.
a. Ethernet II c. 802.2
b. Ethernet SNAP d. 802.3

 

 

ANS:  C                    PTS:   1                    REF:   217

 

  1. IPX operates at the ____ OSI layer.
a. Network c. Data Link
b. Transport d. Both A and B.

 

 

ANS:  D                    PTS:   1                    REF:   219

 

  1. SPX operates at the ____ OSI layer.
a. Network c. Data Link
b. Transport d. Both A and B.

 

 

ANS:  B                    PTS:   1                    REF:   220

 

  1. ____ is a NetWare server protocol used for constructing IPX packets with routing information.
a. RIP c. SAP
b. NLSP d. NCP

 

 

ANS:  B                    PTS:   1                    REF:   220

 

  1. ____ is not a protocol associated with NetWare.
a. LSL c. MLID
b. LLAP d. SAP

 

 

ANS:  B                    PTS:   1                    REF:   219

 

  1. Windows NT Server was developed from ____.
a. UNIX c. NetWare
b. LAN Manager d. Windows 98

 

 

ANS:  B                    PTS:   1                    REF:   220

 

  1. ____ did not grow out of Windows NT Server.
a. Windows 2000 Server c. Windows XP Server
b. Windows .NET Server d. None of the above.

 

 

ANS:  C                    PTS:   1                    REF:   220

 

  1. NetBEUI is not supported in ____.
a. Windows NT c. Windows 2000
b. Windows XP d. None of the above.

 

 

ANS:  B                    PTS:   1                    REF:   220

 

  1. Which is not true about NetBEUI?
a. It is simple to install.
b. It requires a lot of memory.
c. It can handle a large number of communication sessions on one network.
d. None of the above.

 

 

ANS:  B                    PTS:   1                    REF:   222

 

  1. The maximum number of stations on an AppleTalk Phase I network is ____.
a. 100 c. 254
b. 255 d. There is no maximum.

 

 

ANS:  C                    PTS:   1                    REF:   223

 

  1. ____ does not support AppleTalk connectivity.
a. Windows NT c. Windows .NET
b. Windows 2000 d. None of the above.

 

 

ANS:  D                    PTS:   1                    REF:   235

 

  1. Modern AppleTalk Phase II networks use the ____ access method.
a. Ethernet c. token ring
b. bus d. Either A or C.

 

 

ANS:  D                    PTS:   1                    REF:   224

 

  1. ELAP functions at the ____ OSI layer.
a. Physical c. Network
b. Data Link d. Both A and B.

 

 

ANS:  D                    PTS:   1                    REF:   224

 

  1. Ethernet communications are facilitated in AppleTalk Phase II though the use of ____.
a. TLAP c. AARP
b. ELAP d. LLAP

 

 

ANS:  B                    PTS:   1                    REF:   224

 

  1. Which TCP/IP protocol is used to upload and download files?
a. FTP c. RIP
b. IP d. NFS

 

 

ANS:  A                    PTS:   1                    REF:   227

 

  1. Which TCP/IP protocol is used as a remote communications protocol in connection with WANs?
a. FTP c. RIP
b. PPP d. OSPF

 

 

ANS:  B                    PTS:   1                    REF:   227

 

  1. SNA uses the ____ access method.
a. Ethernet c. token ring
b. bus d. Either A or C.

 

 

ANS:  C                    PTS:   1                    REF:   228

 

  1. Which layer in SNA is roughly equivalent to the Session layer in the OSI model?
a. Transaction Services c. Path Control
b. Data Flow Control d. Presentation Services

 

 

ANS:  B                    PTS:   1                    REF:   229

 

  1. ____ enables physical device addressing and a separate logical addressing method, enables routing and is used in SNA gateway communications and management.
a. DDM c. SDLC
b. NCP d. SSCP

 

 

ANS:  B                    PTS:   1                    REF:   231

 

  1. On an enterprise network, if frames need to be routed, your best protocol choice is likely to be ____.
a. TCP/IP c. IPX/SPX
b. NetBEUI d. DNA

 

 

ANS:  A                    PTS:   1                    REF:   234

 

  1. ____ is the first choice for connecting to modern mainframe and UNIX computers because Telnet terminal emulation might be needed to connect to the mainframe or to an application on a UNIX computer.
a. TCP/IP c. SNA
b. DLC d. DNA

 

 

ANS:  A                    PTS:   1                    REF:   234

 

YES/NO

 

  1. LAN protocols should adhere to the IEEE 802 standards.

 

ANS:  Y                    PTS:   1                    REF:   213

 

  1. LAN protocols are typically associated with the network server operating system used on individual LANs.

 

ANS:  Y                    PTS:   1                    REF:   213

 

  1. ODI stands for Outside Datalink Interface.

 

ANS:  N                    PTS:   1                    REF:   216

 

  1. The user can configure the hierarchy used by the NIC.

 

ANS:  Y                    PTS:   1                    REF:   218

 

  1. AppleTalk Phase I was the first version of AppleTalk and was released in 1989.

 

ANS:  N                    PTS:   1                    REF:   222

 

  1. AppleTalk Phase II functions only on a network in which it is the sole protocol.

 

ANS:  N                    PTS:   1                    REF:   223

 

  1. The Mac OS X and Mac OS X Server operating systems are built on DOS.

 

ANS:  N                    PTS:   1                    REF:   226

 

  1. TCP/IP was originally used on UNIX systems.

 

ANS:  Y                    PTS:   1                    REF:   226

 

  1. DLC is routable.

 

ANS:  N                    PTS:   1                    REF:   232

 

COMPLETION

 

  1. The ____________________ protocol suite was developed to network Macintosh computers running the Mac OS operating system.

 

ANS:  AppleTalk

 

PTS:   1                    REF:   222

 

  1. If a network protocol can be ____________________ it can transport data over multiple networks in an enterprise.

 

ANS:  routed

 

PTS:   1                    REF:   215

 

  1. ____________________ is the driver specification used by NWLink that enables it and other network protocols to communicate with the NIC in the computer.

 

ANS:  NDIS

 

PTS:   1                    REF:   217

 

 

  1. The figure above shows the NIC ____________________, or hierarchy, in Windows XP Professional.

 

ANS:  binding order

 

PTS:   1                    REF:   219

 

  1. LAN Manager began as a joint venture between Microsoft and ____________________.

 

ANS:  IBM

 

PTS:   1                    REF:   220

 

  1. A(n) ____________________ is a grouping of Macintosh computers in multiple networks to improve organizational access and network management.

 

ANS:  zone

 

PTS:   1                    REF:   223

 

  1. LLAP stands for _____________________________.

 

ANS:  LocalTalk Link Access Protocol

 

PTS:   1                    REF:   224

 

  1. The native server that is used for Macintosh computers is the ____________________.

 

ANS:  Mac OS X Server

 

PTS:   1                    REF:   226

 

  1. ____________________ is mainly used as an alternative to TCP/IP when a host is using SNA communications.

 

ANS:

DLC

Data Link Control

 

PTS:   1                    REF:   232

 

MATCHING

 

Match each correct item with the statement below.

a. SNA f. IPX
b. DNA g. NetBEUI
c. XNS h. TCP/IP
d. IPX/SPX i. SPX
e. NetBIOS

 

 

  1. The protocol of preference for NetWare 6 and above.

 

  1. The native protocol for Windows NT Server.

 

  1. A companion protocol developed by Novell for use with software applications, such as databases.

 

  1. A method of interfacing software with network services.

 

  1. Network protocol commonly used on NetWare servers through version 4.

 

  1. Network protocol introduced by Xerox as a means for communicating over Ethernet.

 

  1. Suite of protocols typically used by older IBM systems for mainframe and minicomputer communications.

 

  1. Suite of protocols developed for use on networks using DEC computers.

 

  1. This protocol was developed by Novell for one of the earliest network operating systems with server capabilities, called NetWare.

 

  1. ANS:  H                    PTS:   1                    REF:   214

 

  1. ANS:  G                    PTS:   1                    REF:   220

 

  1. ANS:  I                     PTS:   1                    REF:   214

 

  1. ANS:  E                    PTS:   1                    REF:   221

 

  1. ANS:  D                    PTS:   1                    REF:   215

 

  1. ANS:  C                    PTS:   1                    REF:   214

 

  1. ANS:  A                    PTS:   1                    REF:   228

 

  1. ANS:  B                    PTS:   1                    REF:   232

 

  1. ANS:  F                    PTS:   1                    REF:   214

 

SHORT ANSWER

 

  1. What is an advantage and a disadvantage of having multiple LAN protocols on a network?

 

ANS:

An advantage of having multiple LAN protocols on a network is that such a network can perform many different functions on the same LAN, such as enabling Internet access and access to mainframe computers and servers.  The disadvantage is that some protocols operate in broadcast mode, meaning that they frequently send out packets to identify devices on the network, causing a significant amount of redundant network traffic.

 

PTS:   1                    REF:   213

 

  1. In general, LAN protocols must provide what four functions?

 

ANS:

In general, LAN protocols must provide:

  1. Reliable network links
  2. Relatively high speeds
  3. Source and destination node address handling
  4. Adherence to network standards, particularly the IEEE 802 standards

 

PTS:   1                    REF:   213

 

  1. What does the term binding mean?  How does it relate to protocols?

 

ANS:

Network protocols communicate with the NIC in a computer via a process called binding.  Binding a protocol to a NIC enables that NIC to efficiently interface with the network medium.  Binding is using software links in a network operating system to tie together network drivers, protocols, and a computer’s NIC to achieve efficient network communications.

 

PTS:   1                    REF:   218

 

  1. Discuss two disadvantages of NetBEUI.

 

ANS:

Two disadvantages of NetBEUI are:

  1. It cannot be routed. This is a major disadvantage for medium-sized and large networks.  A NetBEUI packet cannot be forwarded by a router from one network to another, because there is not enough information in the NetBEUI frame to identify specific networks.
  2. There are few network analysis tools for NetBEUI other than those provided by Microsoft.

 

PTS:   1                    REF:   222

 

  1. Discuss how the NetBEUI protocol corresponds with various layers of the OSI model.

 

ANS:

The NetBEUI protocol corresponds with several layers of the OSI model.  It uses the Physical and Data Link layers for network interface communications.  Within the Data Link layer, it uses the LLC and MAC sublayers for such tasks as flow control of frames and encoding frames.  It also performs functions corresponding to the Transport and Session layers, including insuring the reliability of transmissions, acknowledging transmissions, and establishing and ending sessions.

 

PTS:   1                    REF:   221

 

  1. What does it mean to say that AppleTalk is a peer-to-peer network protocol?

 

ANS:

To say that AppleTalk is a peer-to-peer network protocol means that it is designed to enable Macintosh workstations to communicate regardless of the presence of a server.

 

PTS:   1                    REF:   222

 

  1. What are the three basic services included in AppleTalk?

 

ANS:

The three basic services included in AppleTalk are:

  1. Remote access to network files via the AppleShare File Server application (in conjunction with the AppleTalk Filing Protocol).
  2. Printing services through the AppleShare Print Server application (which uses the Name Binding Protocol and the Printer Access Protocol).
  3. File services to DOS- and Windows-based systems via the AppleShare PC application.

 

PTS:   1                    REF:   223

 

  1. List three advantages of TCP/IP.

 

ANS:

Advantages of TCP/IP are:

  1. It is used on most networks and the Internet, which makes it the international language of network communications.
  2. There is a wide range of network devices designed for use with TCP/IP.
  3. Most computer operating systems now use TCP/IP as their main protocol.
  4. There are many troubleshooting and network analysis tools available for TCP/IP.
  5. There is a larger body of network professionals who understand TCP/IP.

 

PTS:   1                    REF:   227

 

  1. Discuss the advantages and disadvantages of SNA.

 

ANS:

SNA has both advantages and disadvantages.  In terms of advantages, SNA has been available for over a quarter of a century and provides reliable and tested communications with IBM systems.  A significant disadvantage is that SNA is a proprietary protocol suite that requires special devices and complex training to configure, manage, and troubleshoot.  For these reasons, an SNA network with IBM mainframe systems typically runs very well, but at a higher cost for training, personnel, and support.

 

PTS:   1                    REF:   229

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