Q.1 Suppose the following situation exists: A company hired you to build a network to support 20 PCs and an IBM mainframe computer. The office is already wired with shielded twisted-pair cabling. Required Result: - The network must accommodate all computers and provide fault tolerance. Optional Desired Results: - The network should support transmission speeds of 100 Mbps. - The network must be easy to configure. Proposed Solutions: - Implement an Ethernet network with 10BaseT cable. - Which results does the proposed solution produce? The proposed solution produces the required result and produces both of the optional desired results. The proposed solution produces the required result and produces only one the optional desired results. The proposed solution produces the required result but does not produce any of the optional desired results. The proposed solution does not produce the required result. Q.2 You need to connect two network segments that are 1,000 meters apart. Which of the following cable types can transmit data over 1,000 meters without using a repeater? RG-58 A/U Fiber optic GAT3 UTP CAT5 UTP Q.3 Which of the following network protocols enables communication with an IBM mainframe computer? FTP RIP DLC MRP Q.4 It is possible to install multiple transport protocols on an NT Workstation computer. In what order should binding be set when multiple protocols are used? When IPX/SPX is installed, it should always be at the top of the binding order. When TCP/IP is installed, it should always be at the top of the binding order. The most efficient protocol should he set at the top of the binding order. The most frequently used protocol should appear at the top of the binding order. Q.5 The new network administration intern installed a network interface card in her PC. After the installation, she notices that her floppy drive no longer works. What is the most likely cause of this problem? There is an IRQ or I/O setting conflict. There is a memory error. The NIC uses bus mastering. The wrong kind of bus slot was used. Q.6 Which connector type is used to connect Thinnet to a NIC? BNC barrel BNC T AUI RJ-45 Q.7 Which one of the WAN technologies listed below can provide users with bandwidth on demand? T1 X.25 ISDN Frame rela Q.8 Which RAID level creates a stripe set, but with no data redundancy? RAID 0 RAID 1 RAID 2 RAID 3 Q.9 What occurs when the number of network broadcast messages is greater than the amount of available network bandwidth? Crosstalk. Attenuation. Broadcast storm. Beaconing. Q.10 Which of the following is a transport protocol? IP IPX SNMP NetBEUI Q.11 Suppose the following situation exists: A company has hired you to connect networks in two separate office buildings that are located 2,000 feet apart. Required Result: Provide a working network link that interconnects the two buildings. Optional Desired Results: The network must support 100 Mbps transmission speeds. The network should be immune to interference. Proposed Solution: Implement fiber optic Ethernet. Which results does the proposed solution produce? The proposed solution produces the required result and produces both of the optional desired results. The proposed solution produces the required result and produces only one of the optional desired results. The proposed solution produces the required result but does not produce any of the optional desired results. The proposed solution does not produce the required results. Q.12 A newly installed computer on an IPX/SPX Thinnet Ethernet network appears to work fine, but it is unable to access the network, even though all other machines are able to use Its services. What is the most likely cause of this problem? Protocol mismatch. Incorrect frame type. Upper memory area conflicts. Faulty connectivity devices. Q.13 Which of the following statements describes a star topology? It is less reliable than a ring topology. All network computers get equal network access through the use of CSMA/CD. It requires more cabling than a bus topology. It is more difficult to troubleshoot that a ring topology. Q.14 Which of the following devices can be used to reduce traffic bottlenecks on a network that uses the NetBEUI protocol? Router Multiplexer Bridge Gateway Q.15 What type of network-access method should be implemented to provide centralized control of network transmissions? CSMA/CA CSMA/CD Demand priority Token passing Q.16 Which of these hardware devices can be used to boost broadband signal strength across a long cable? Repeaters Amplifiers Multiplexers Time-domain reflectometers Q.17 When should you use DNS instead of WINS to resolve a computer name into an IP address? When there is no LMHOSTS file. When there is no HOST file. When the name being requested has a period (.) in it. When the name being requested has a backslash (\) in it. Q.18 A Windows NT Server on the network is extremely slow and you suspect that it doesn't have enough RAM. Which counter would you measure in Performance Monitor to determine if this is the case? Memory Page Faults/sec. Disk Reads/sec. % Processor Time. Network Reads/sec. Q.19 What topology should you use if you want to use routers to search among multiple active paths and decide upon the best path at any given moment? Star Bus Ring Mesh Q.20 Which layer of the OSI Reference Model translates data formats? Application. Data Link. Network. Presentation. Q.21 How does a router reduce broadcast storms on a network? By only transmitting TCP/IP broadcast messages. By blocking forwarding of broadcast messages. By only transmitting SNMP broadcast messages. By using multiple routes to transmit broadcast messages. Q.22 Which of the following tools permits you to determine what particular devices may be causing network problems without requiring that these devices be turned off? Protocol analyser. Time-domain reflectometers. Transceiver. Volt-ohm meter. Q.23 Which of the following items should you check if your network is unable to resolve a Unix host name into a corresponding IP address? DHCP LMHOSTS DNS WINS Q.24 Which of the following devices can be used to examine counts, collisions, and beaconing information? Oscilloscopes. Volt-ohm meters. Time-domain reflectometers. Advanced cable testers. Q.25 Suppose the following situation exists: You run a network that is divided into two segments that are connected by a bridge. The only protocol in use is NetBEUI. You recently added five workstations and network performance has decreased to an unsatisfactory level. Required Result: Replace the bridge with a more efficient device. Optional Desired Results: Continue using only NetBEUI. Keep the costs to a minimum. Proposed Solution: Replace the bridge with an Ethernet switching hub to create a third network segment. Which of the results does the proposed solution produce? The proposed solution produces the required result and produces both of the optional desired results. The proposed solution produces the required result and produces only one of the optional desired results. The proposed solution produces the required result but does not produce any of the optional desired results. The proposed solution does not produce the required results. Q.26 Which of the following is a drawback of peer-to-peer networking? A server failure can render a network a network unusable; at best; it results in loss of network resources. Costs increase due to the requirements of dedicated hardware and specialized software. When shared resources are accessed, the machine where the resource resides suffers a performance hit. An expert staff is needed to manage the complex, special-purpose server software, which adds to the overall cost. Q.27 Which layer of the OSI Reference Model establishes a route between sending and receiving computers? Transport Session Network Physical Q.28 Of the following cable types, which is the most susceptible to crosstalk? STP CAT5 UPT Coaxial Fiber optic Q.29 Which of the following is the most likely culprit when a computer's operating system is unable to detect a network card? Wrong frame type is set on the network card. Wrong IRQ is set on the network card. Wrong IRQ is set on the IDE controller card. Wrong protocol is bound to the network adapter. Q.30 Your network is experiencing heavy traffic and signal attenuation due to overly long cable distances between computers. Correct the signal attenuation problem. Optional Desired Results: Reduce broadcast traffic that is present on your network. Filter network traffic to reduce the number of frames transferred across the network. Proposed Solution: Install repeaters between distant segments. Which results does the proposed solution produce? The proposed solution produces the required result and produces both of the optional desired results. The proposed solution produces the required result and produces only one of the optional desired results. The proposed solution produces the required result but does not produce any of the optional desired results. The proposed solution does not produce the required results. Q.31 What is the function of a redirector? To maintain a group appointment list. To map directory shares to local drive letters. To associate protocols, NICs, and services in order of priority. To forward requests local or remote resource hosts. Q.32 Your company has two LANs, each of which uses a different protocol. You need to interconnect both LANs but do not want to configure additional protocols for either network. What king of device could perform this task? Bridge Router Brouter Gateway Q.33 Your UPS shuts off every time your Windows NT computer boots. What might fix this problem? Bypass the UPS and plug your computer directly into the wall outlet. Push the spacebar to invoke The Last Known Good Configuration during the boot process. Use the /NOSERIALMICE switch in the BOOT.INI file. Reboot using the Emergency Repair Disk. Q.34 Which of the following can gather performance information from a router's MIB? SNMP Protocol analyzer. Network Monitor. Time-domain reflectometer. Q.35 A company is installing an Internet Web server and is concerned with how quickly data images can be read from the server and sent to potential clients. What disk-management system would you want to deploy for maximum performance? The company is not as concerned with losing the data as it is with the speed at which the data can be read. RAID level 2 RAID level 5 Disk mirroring. Disk striping without parity. Q.36 Which of the following WAN technologies uses packet assemblers and disassemblers? ATM ISDN X.25 Frame relay Q.37 You run a 10Base5 network that has three segments, each separated by a repeater. The trunk ends are terminated by 50-ohm terminators, and there are six in all. How many terminators should be grounded? Two Three Six None Q.38 What limitation applies to a WINS server that doesn't make use of any other name-resolution methods? All computers must have an LMHOSTS file. All computers must know the IP address of the WINS server. It cannot perform name resolution for Internet computer names. It generates more network traffic than NetBIOS broadcasts. Q.39 Which of the following statements is true for HOSTS and LMNOSTS files? A local HOSTS file is used as a local DNS equivalent. A remove HOSTS file is used as a local WINS equivalent A local LMNHOSTS file is used as a local DNS equivalent A remove LMHOSTS file is used as a local WINS equivalent Q.40 What is the maximum throughput on a V.35 combined circuit link with four 28.8 modems? 1.44 Mbps 28.8 Kbps 115.2 Kbps 144 Kbps Q.41 Which of the following actions would most effectively reduce the number of network Reads and Writes? Using TCP/IP instead of NetBEUI. Increasing the network packet size. Using Token Ring instead of Ethernet. Reducing the TCP window size. Q.42 Which Windows NT application may be used to identify any network users who have made unsuccessful login attempts? Explorer File Manager User Manager Event Viewer Q.43 Which of the following is required to implement user-level security on a network that includes Windows 95 machines? DNS server WINS server Windows NT server Master Browser Q.44 Which of the following cable types can span distances greater than 100 meters, but no more than 185 meters? 10Base2 10Base5 10BaseT Fiber optic Q.45 Which of the following devices is able to perform protocol conversions? Gateway Router Bridge Brouter Q.46 Which of the following terms describes the process of communicating to the computers on a Token Ring network that a network error of some kind has interrupted token passing? Jitter Crosstalk Attenuation Beaconing Q.47 Which OSI Reference Model layer responsible for repackaging data bits into data frames? Data Link Network Physical Presentation Q.48 Which of the following backup methods only backs up files that were created or changed since the last full backup and marks those files as archived? Daily backup Differential backup Incremental backup Normal backup