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If you wanted administrators to see a message when logging into the router, which command would you use?
Answer: Option 3 The typical banner is a message of the day (MOTD) and is set by using the global configuration mode command banner motd.
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Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?
Answer: Option 2 When a routing update is received by a router, the router first checks the administrative distance (AD) and always chooses the route with the lowest AD. However,...
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When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the clock rate determined?
Answer: Option 1 Clocking on a serial interface is always provided by the CSU/DSU (DCE device). However, if you do not have a CSU/DSU in your nonproduction test environment, then...
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When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?
Answer: Option 1 By default, all VLANs are allowed on the trunk link and you must remove by hand each VLAN that you don't want traversing the trunked link.
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How many simultaneous Telnet sessions does a Cisco router support by default?
Answer: Option 4 Cisco routers, if they do not have the Enterprise edition of the IOS, will default to 5 simultaneous Telnet sessions.
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How should a router that is being used in a Frame Relay network be configured to keep split horizon issues from preventing routing updates?
Answer: Option 1 If you have a serial port configured with multiple DLCIs connected to multiple remote sites, split horizon rules, stop route updates received on an interface from being...
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You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?
Answer: Option 3 If you save a configuration and reload the router and it comes up either in setup mode or as a blank configuration, chances are you have the...
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You need to find the broadcast address used on a LAN on your router. What command will you type into the router from user mode to find the broadcast address?
Answer: Option 3 The command show ip protocols will actually show you the broadcast address for each interface - too bad it isn't a possible answer. Your best answer is...
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The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?
Answer: Option 3 Before you start to configure the router, you should erase the NVRAM with the erase startup-config command and then reload the router using the reload command.
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If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?
Answer: Option 2 At the moment of OSPF process startup, the highest IP address on any active interface will be the Router ID (RID) of the router. If you have...
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