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1、1 When the destination network is not listed in the routing table of a Cisco router, what are two possible actions that the router might take? (Choose two.)The router sends an ARP request to determine the required next hop address.The router discards the packet.The router forwards the packet toward
2、the next hop indicated in the ARP table.The router forwards the packet to the interface indicated by the source address.The router forwards the packet out the interface indicated by the default route entry.2 What are the key factors to consider when grouping hosts into a common network? (Choose thre
3、e.)gatewayspurposephysical addressingsoftware versiongeographic locationownership3 In an IPv4 environment, what information is used by the router to forward data packets from one interface of a router to another?destination network addresssource network addresssource MAC addresswell known port desti
4、nation address4 What are three common problems with a large network? (Choose three.)too few broadcastsperformance degradationsecurity issueslimited management responsibilityhost identificationprotocol compatibility5 Which portion of the network layer address does a router use to forward packets?host
5、 portionbroadcast addressnetwork portiongateway address6Refer to the exhibit. Using the network in the exhibit, what would be the default gateway address for host A in the 192.133.219.0 network?192.135.250.1192.31.7.1192.133.219.0192.133.219.17 If the default gateway is configured incorrectly on the
6、 host, what is the impact on communications?The host is unable to communicate on the local network.The host can communicate with other hosts on the local network, but is unable to communicate with hosts on remote networks.The host can communicate with other hosts on remote networks, but is unable to
7、 communicate with hosts on the local network.There is no impact on communications.8 What is the purpose of a default gateway?physically connects a computer to a networkprovides a permanent address to a computeridentifies the network to which a computer is connectedidentifies the logical address of a
8、 networked computer and uniquely identifies it to the rest of the networkidentifies the device that allows local network computers to communicate with devices on other networks9 What type of routing uses information that is manually entered into the routing table?dynamicinteriorstaticstandard10Refer
9、 to the exhibit. A network administrator is troubleshooting a connectivity problem and needs to determine the address that is used to forward network packets out the network. Using the netstat -r command, the administrator would identify which address as the address to which all hosts send packets t
10、hat are destined for an outside network?10.10.10.26127.0.0.110.10.10.610.10.10.1224.0.0.011 Which IP packet field will prevent endless loops?type-of-serviceidentificationflagstime-to-liveheader checksum12 What is a component of a routing table entry?the MAC address of the interface of the routerthe
11、destination Layer 4 port numberthe destination host addressthe next-hop address13 Which intermediary devices could be used to implement security between networks? (Choose two.)routerhubswitchfirewallaccess pointbridge14 What information is added during encapsulation at OSI Layer 3?source and destina
12、tion MACsource and destination application protocolsource and destination port numbersource and destination IP address15Refer to the exhibit. All devices shown in the exhibit have factory default settings. How many broadcast domains are represented in the topology that is shown?3457811Which three st
13、atements are true about routes and their use? (Choose three.)If no route to the destination network is found, the packet is returned to the previous router.If the destination network is directly connected, the router forwards the packet to the destination host.If multiple network entries exist for t
14、he destination network, the most general route is used to forward the packet.If no route exists for the destination network and a default route is present, the packet is forwarded to the next-hop router.If the originating host has a default gateway configured, the packet for a remote network can be
15、forwarded using that route.If a host does not have a route manually configured for the destination network, the host will drop the packet. 17 In a connectionless system, which of the following is correct?The destination is contacted before a packet is sent.The destination is not contacted before a p
16、acket is sent.The destination sends an acknowledgement to the source that indicates the packet was received.The destination sends an acknowledgement to the source that requests the next packet to be sent.18Refer to the exhibit. A network administrator notices that there are too many broadcasts on the network. What two steps can the network administrator take to resolve this problem? (Choose two.)Replace S2 with a router.Place all servers on S1.Disable TCP/IP broadcasts.S
