思科认证640-802模拟试卷29 - 众享搜题网

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Refer to the exhibit． Why does RouterA show multiple unequal cost paths to network 192．168．81．0/24? [*] A variance was configured for EIGRP autonomous system 109． The EIGRP topology table displays all routes to a destination． The EIGRP topology table shows only backup routes to a destination． Multiple floating static routes were configured to network 192．168．81．0 via interface Serial0．

Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet? Full-duplex Ethernet consists of a shared cable segment． Half-duplex Ethernet provides a point-to-point link． Full-duplex Ethernet uses a loopback circuit to detect collisions． Half-duplex Ethernet uses a jam signal． Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth． Full-duplex Ethernet uses two wires to send and receive． Half-duplex Ethernet uses one wire to send and receive．

Refer to the exhibit． A problem with network connectivity has been observed． It is suspected that the cable connected to switch port Fa0/9 on Switch1 is disconnected． What would be an effect of this cable being disconnected? [*] Host B would not be able to access the server in VLAN9 until the cable is reconnected． Communication between VLAN3 and the other VLANs would be disabled． The transfer of files from Host B to the server in VLAN9 would be significantly slower． For less than a minute, Host B would not be able to access the server in VLAN9． Then normal network function would resume．

Which encryption type does WPA2 use? AES-CCMP PPK via IV PSK TKIP/MIC

A routing protocol is required that supports: 1) routing update authentication 2) an addressing scheme that conserves IP addresses 3) multiple vendors 4) a network with over 50 routers Which routing protocol fulfills these requirements? RIPv1 RIPv2 EIGRP OSPF

Refer to the exhibit． What is the correct addressing for a frame and packet received by Host B from Host A? [*] Destination MAC: 0011．43da．2c98 Source MAC: 0070．0e8f．088a Destination IP: 192．168．60．5 Source IP: 192．168．24．5 Destination MAC: 0011．43da．2c98 Source MAC: 00b0．d0ef．5f6a Destination IP: 192．168．60．5 Source IP: 192．168．24．5 Destination MAC: 0011．43da．2c98 Source MAC: 0070．0e8f．088a Destination IP: 192．168．60．5 Source IP: 192．168．60．1 Destination MAC: 0011．43da．2c98 Source MAC: 0070．0e97．af4e Destination IP: 192．168．60．5 Source IP: 192．168．60．2

Which wireless LAN design ensures that a mobile wireless client will not lose connectivity when moving from one access point to another? using adapters and access points manufactured by the same company overlapping the wireless cell coverage by at least 10% configuring all access points to use the same channel utilizing MAC address filtering to allow the client MAC address to authenticate with the surrounding APs

Refer to the exhibit． Two buildings on the San Jose campus of a small company must be connected to use Ethernet with a bandwidth of at least 100 Mbps． The company is concerned about possible problems from voltage potential differences between the two buildings． Which media type should be used for the connection? [*] UTP cable STP cable coaxial cable fiber optic cable

Refer to the output of the two show commands in the exhibit． If an administrator tries to ping host 10．1．8．5 from host 10．1．6．100, how will the ICMP packets be processed by Router A? [*] The packets will be discarded． The packets will be routed out the S0/0 interface． The packets will be routed out the S0/1 interface． The packets will be routed out the Fa0/0 interface．

IP addresses and routing for the network are configured as shown in the exhibit． The network administrator issues the show ip eigrp neighbors command from Router1 and receives the output shown below the topology． Which statement is true? [*] It is normal for Router1 to show one active neighbor at a time to prevent routing loops． Routing is not completely configured on Router3． The IP addresses are not configured properly on the Router1 and Router3 interfaces． The no auto-summary command configured on the routers prevents Router1 and Router2 from forming a neighbor relationship．

Refer to the exhibit． Why is flash memory erased prior to upgrading the IOS image from the TFTP server? [*] The router cannot verify that the Cisco IOS image currently in flash is valid． Flash memory on Cisco routers can contain only a single IOS image． Erasing current flash content is requested during the copy dialog． In order for the router to use the new image as the default, it must be the only IOS image in flash．

IP addresses and routing for the network are configured as shown in the exhibit． [*] The network administrator issues the show ip eigrp neighbors command from Router1 and receives the output shown below the topology． Which statement is true? It is normal for Router1 to show one active neighbor at a time to prevent routing loops． Routing is not completely configured on Router3． The IP addresses are not configured properly on the Router1 and Router3 interfaces． The no auto-summary command configured on the routers prevents Router1 and Router2 from forming a neighbor relationship．

Users on the 192．168．1．0/24 network must access files located on the Server 1． What route could be configured on router R1 for file requests to reach the server? ip route 0．0．0．0 0．0．0．0 s0/0/0 ip route 0．0．0．0 0．0．0．0 209．165．200．226 ip route 209．165．200．0 255．255．255．0 192．168．1．250 ip route 192．168．1．0 255．255．255．0 209．165．100．250

What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2? On router R2, configure a default static route to the 192．168．1．0 network． On router R2, configure DNS to resolve the URL assigned to Web Server 2 to the 192．168．1．10 address． On router R1, configure NAT to translate an address on the 209．165．100．0/24 network to 192．168．1．10． On router R1, configure DHCP to assign a registered IP address on the 209．165．100．0/24 network to Web Server 2．

The router address 192．168．1．250 is the default gateway for both the Web Server 2 and Host 1． What is the correct subnet mask for this network? 255．255．255．0 255．255．255．192 255．255．255．250 255．255．255．252

Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet? Full-duplex Ethernet consists of a shared cable segment． Half-duplex Ethernet provides a point-to-point link． Full-duplex Ethernet uses a loopback circuit to detect collisions． Half-duplex Ethernet uses a jam signal． Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth． Full-duplex Ethernet uses two wires to send and receive． Half-duplex Ethernet uses one wire to send and receive．

Refer to the exhibit． A technician is troubleshooting a host connectivity problem． The host is unable to ping a server connected to Switch_A． Based on the results of the testing, what could be the problem? [*] A remote physical layer problem exists． The host NIC is not functioning． TCP/IP has not been correctly installed on the host． A local physical layer problem exists．

Refer to the graphic． How many collision domains are shown? [*] one two three four six

Refer to the exhibit． The network administrator is in a campus building distant from Building B． WANRouter is hosting a newly installed WAN link on interface S0/0． The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface． How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner? [*] Telnet to WANRouter and execute the command show interfaces S0/0 Telnet to WANRouter and execute the command show processes S0/0 Telnet to WANRouter and execute the command show running-configuration Telnet to WANRouter and execute the command show controller S0/0 Physically examine the cable between WANRouter S0/0 and the DCE．

Refer to the exhibit． The Branch router displays knowledge of a route to network 172．16．0．0/16． The actual network number at headquarters is 172．16．1．0/24． Why does the network number appear as it does in the routing table? [*] The Branch router has a static route configured for the 172．16．0．0/16 network． The routing protocol on the HQ router is using automatic route summarization． The Branch router is configured to summarize to classful boundaries． The routing protocol on the Branch router has been misconfigured． The routing protocol that is forwarding this route only sends classful updates．

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