Hi out there! These are the new Semester 1 English Questions, we need YOUR help! Some answers are incorrect or not incomplete. Please send correct answers to ciscofugger@trashmail.com or ICQ: 329-252-251. THX! EggL & http://ccna.elite.to ----------------------------------------------------------------------------------------------- 1 Which devices shown in the graphic must have a MAC address? only PC only router PC and router PC, hub, and router ***PC, printer, and router 2 Which protocols are TCP/IP application layer protocols? (Choose two.) UDP ***FTP IP ***SMTP TCP 3 Based on the graphic above, which of the following occurs as each host system comes on line in the topology? The switch sends its MAC address to each host. The switch adds MAC address to the bridge table as each host sends a frame. Each host exchanges MAC addresses with each other. The switch listens for data traffic to block since the switch lacks an IP address. 4 Which of the following increases the potential for a collision to occur? the use of an active hub instead of an intelligent hub the use of an intelligent hub instead of an active hub a reduction in the number of devices attached to the hub ***an increase in the number of devices attached to the hub 5 Refer to the exhibit. What must be configured on Host B to allow it to communicate with the Host C? (Choose three.) the MAC address of RTA router interface connected to Switch 1 a unique host IP address the IP address of Switch 1 the default gateway address the MAC address of Host C the subnet mask for the LAN 6 Which of the following commands could be used on a Windows-based computer to view the current IP configuration of the system? (Choose two.) configip ifconfig ***ipconfig ***winipcfg winipconfig 7 Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1? rollover console crossover ***straight-through 8 Refer to the exhibit. How will the Fohi router dynamically learn routes to the 192.168.16.16/28, 192.168.16.32/28, and 192.168.16.48/28 subnetworks? with a static route with a routed protocol with a routing protocol with a directly connected route 9 What are three characteristics of the TCP protocol? (Choose three.) has less overhead than UDP is used for IP error messages ***forces the retransmission undelivered packets creates a virtual session between end-user applications ***carries the IP address of destination host in the TCP header ***is responsible for breaking messages into segments and reassembling them at their destination 10 Which cable diagram displays the end to end pinout for a crossover cable used with Cisco devices? Cable A Cable B ***Cable C Cable D 11 When using Category 5 UTP cable, which RJ-45 pin pairs are used to exchange data between hosts on an Ethernet network? 1 and 2; 4 and 5 ***1 and 2; 3 and 6 3 and 6; 7 and 8 4 and 5; 7 and 8 12 Refer to the exhibit. What is the order of the TCP/IP Protocol Data Units as data is moved as indicated through the OSI model? data, segments, frames, packets, bits data, packets, segments, frames, bits ***data, segments, packets, frames, bits data, packets, frames, segments, bits 13 Which type of address is 192.168.170.112/28? host address subnetwork address ***broadcast address multicast address 14 Refer to the exhibit. Host A wants to send a message to host B. Place the following steps in the correct order so that the message can be sent. A - add network layer addresses B - transmit bits C - create application data D - add data link layer addresses B, A, D, C D, A, C, B A, D, A, B C, A, D, B ***C, D, A, B C, B, A, D 15 Refer to the exhibit. Host A is sending data to Host B. Once R2 determines that data from Host A must be forwarded to R1 to reach Host B, which layer of the OSI model will R2 use to address and build the frames destined for R1? physical data link network transport session presentation 16 Refer to the exhibit. The internetwork in the exhibit has been assigned the IP address 172.20.0.0. What would be the appropriate subnet mask to maximize the number of networks available for future growth? ***???255.255.224.0 255.255.240.0 255.255.248.0 255.255.252.0 255.255.254.0 255.255.255.0 17 What are important characteristics to consider when purchasing a network interface card? (Choose two.) security used on the network ***media used on the network ***system bus used on the computer software installed on the network diagnostic tools installed on the network 18 Which binary number is a representation of the decimal number 248? 11101000 11110100 ***11111000 11111010 19 What can be verified by successfully pinging the reserved loopback address on a host? Connectivity exists between two hosts on the LAN. ***The TCP/IP stack of the local host is configured correctly. A connection exists between a host and the default gateway. The route a packet takes from the local host to a remote host is valid. 20 Two peer hosts are exchanging data using TFTP. During the current session, a datagram fails to arrive at the destination. Which statement is true regarding the retransmission of the datagram? Datagram retransmission requires user authentication. ***Datagram retransmission is controlled by the application. Datagram retransmission relies on the acknowledgements at transport layer. Datagram retransmission occurs when the retransmission timer expires in the source host. 21 Refer to the exhibit. A network associate needs to establish an Ethernet connection between Host A and Host B. However, the distance between the two hosts is further than the cabling standards allow. Which two devices that operate at the physical layer of the OSI can be used to allow Host A and Host B to communicate? switch hub bridge router repeater 22 How many collision domains are shown in the diagram? three four five six ***seven eight 23 For which Ethernet installations would fiber optic rather than Cat5 UTP be a better media choice? (Choose two.) a 3 meter connection between two 10BASE-T hubs ***an environment with many potential sources of EMI and RFI a peer to peer connection between two NICs with RJ45 connectors ***an installation between two buildings that are located 500 meters apart a single building installation where installation costs are the major concern 24 Which application layer protocols use UDP at the transport layer? (Choose two.) FTP ***SNMP Telnet ***DHCP SMTP 25 Which of the following statements are correct about CSMA/CD? (Choose three.) ***It is a media access method used in LANs. It is a media access method used in FDDI WANs. ***When a device needs to transmit, it checks to see if the media is available. A device sends data without checking media availability because all devices have equal access. Multiple devices can successfully transmit simultaneously. ***Only one device can successfully transmit at a time. 26 Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B? coax cable rollover cable crossover cable straight-through cable 27 Which subnet masks would be valid for a subnetted Class B address? (Choose two.) 255.0.0.0 255.254.0.0 255.224.0.0 ***255.255.0.0 ***255.255.252.0 255.255.255.192 28 Which protocol is used to eliminate switching loops? Transmission Control Protocol Routing Information Protocol ***Spanning Tree Protocol Interior Gateway Routing Protocol Internetworking Protocol 29 What is the correct number of usable subnetworks and hosts for the IP network address 192.168.35.0 subnetted with a /28 mask? 6 networks / 64 hosts 14 networks / 32 hosts ***??? 14 networks / 14 hosts 30 networks / 64 hosts 30 How does network cable length affect attenuation? Category 5 cable that is run in metal conduit has the highest attenuation in the shortest distance. Shorter cable lengths have greater signal attenuation. ***Longer cable lengths have greater signal attenuation. The length of the cable has no effect on signal attenuation. 31 Which statements describe the logical token-passing topology? (Choose two.) Network usage is on a first come, first serve basis. ***Computers are allowed to transmit data only when they possess a token. Data from a host is received by all other hosts. ***Electronic tokens are passed sequentially to each other. Token passing networks have problems with high collision rates. 32 How many broadcast domains are shown in the diagram? ***three four five six seven eight 33 Which devices segment collision domains? (Choose two.) transceiver ***router ***switch hub media 34 Which technologies are considered to be LAN technologies? (Choose two.) DSL ***Token Ring Frame Relay ISDN ***Ethernet 35 Which statement describes a star topology? Each host in the network is connected to a backbone cable that is terminated at both ends. ***Each host is connected to a hub or switch, either of which acts as a central point for all network connections. Each host is directly connected to two other hosts to form a long chain of hosts. Each host has a connection to all other hosts in the network. 36 After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring? transport ***network data link physical 37 Host A is assigned the IP address 10.18.97.55 /21. How many more network devices can be assigned to this subnetwork if Host A is the only one that has an IP address assigned so far? 254 509 1021 ***2045 4094 8190 38 A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong? 172.16.0.0 172.16.192.0 172.16.192.128 ***172.16.192.160 172.16.192.168 172.16.192.176 39 Which term describes the delay in time that occurs when a frame leaves its source device and reaches its destination? collision backoff attenuation ***latency broadcast 40 Refer to the exhibit. The network administrator wants to create a subnet for the point-to-point connection between the two routers. Which subnetwork mask would provide enough addresses for the point-to-point link with the least number of wasted addresses? 255.255.255.192 255.255.255.224 255.255.255.240 255.255.255.248 255.255.255.252 41 What is attenuation? opposition to the flow of current measurement of electrical signals relative to time ***degradation of a signal as it travels along the medium amount or volume of traffic that is flowing on the medium 42 Which type of address is 223.168.17.167/29? ***host address multicast address broadcast address subnetwork address 43 What is the maximum length of a media segment used for 100BASE-TX? ***100 meters 185 meters 400 meters 500 meters 44 Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255? 172.16.128.0 255.255.255.224 172.16.128.0 255.255.0.0 172.16.128.0 255.255.192.0 ***172.16.128.0 255.255.224.0 172.16.128.0 255.255.255.192 45 Which cable specifications are indicated by 10BASE-T? 10 Mbps transmission speed, baseband signal, 500 meter cable length, coaxial cable 10 Mbps transmission speed, broadband signal, 100 meter cable length, coaxial cable ***10 Mbps transmission speed, baseband signal, 100 meter cable length, twisted-pair cable 10 Gbps transmission speed, broadband signal, 500 meter cable length, twisted-pair cable