Which statement about the ip classless router command is true?()A. The ip classless command is enabled by default in recent versions of IOS.B. The ip classless command should only be enabled when static routing is being used instead of a routing protocol.

第1题：

Which is true about OSPF router-id?（）

• A、It is used for type 1 router LSA
• B、Highest IP address of the loopback is used
• C、router-id needs to be matched on ospf neighbors
• D、router-id is 16 bit

第2题：

A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）

• A、To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50
• B、Th e router will prefer the shortest autonomous system path
• C、If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED
• D、The router will prefer the route with the lower MED

第3题：

Which statement is true about the frequency of OSPF LSA transmissions？（）

• A、 They are configured per OSPF area.
• B、 They are configured per virtual router.
• C、 They are configured per OSPF process.
• D、 They are configured per OSPF interface.

第4题：

Which three statements are true about EIGRP route summarization?（）

• A、When manual summarization is configured, the router immediately creates a route that points to null0 interface
• B、Manual route summarization  is configured in router configuration mode when the router is configured for EIGRP routing
• C、Manual route summarization is configured on the interface
• D、The ip summary - address eigrp command generates a default route with an administrative distance  of 5
• E、When manual summarization is configured, the summary route will use the metric of the largest specific metric of the summary routes
• F、The ip summary - address eigrp command generates a default route with an administrative distance of 90

第5题：

The command "ip route 192.168.24.64 255.255.255.192 192.168.8.2 100" was configured on a router named TK1. No routing protocols or other static routes are configured on the Corporate router yet.Based on this information, which statement is true about this command?（）

• A、This command sets a gateway of last resort for the TK1 router.
• B、The number 100 indicates the number of hops to the destination network.
• C、The interface with IP address 192.168.8.2 is on the TK1 router.
• D、The command creates a static route for all IP traffic with the source address 192.168.24.64.
• E、Packets destined for host 192.168.24.124 will be sent to 192.168.8.2.
• F、None of the above

第6题：

Which statement about PPPoA configuration is correct？（）

• A、The dsl operating-mode auto command is required if the default mode has been changed
• B、The ip mtu 1496 command must be applied on the dialer interface
• C、The encapsulation ppp command is required
• D、The ip mtu 1492 command must be applied on the dialer interface

第7题：

The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command（）。

• A、This command should be executed from the global configuration mode
• B、The IP address 10.121.16.8 is the local router port used to forward data
• C、102 is the remote DLCI that will receive the information
• D、This command is required for all Frame Relay configurations
• E、The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC

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第13题：

Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）

• A、The router that is directly connected to the IP phone will look up the called number in its call routing table.
• B、The router that is directly connected to the IP phone will inform its call agent when a service request is detected.
• C、When the IP phone is picked up，the IP phone initiates the service request.
• D、The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.

第14题：

Which of the following statements are true concerning the command ip sla monitor responder typetcpconnect ipaddress 10.1.1.1 port 23？（Choose all that apply.）（）

• A、The command will initiate a probe with a destination IP address of 10.1.1.1
• B、The command is used on the IP SLA responder and the IP SLA source
• C、The command will allow only source address 10.1.1.1 to source probes
• D、The command will initiate a probe with a destination Telnet port
• E、The command is used to make the router a responder
• F、The command will initiate a probe with a source port of 23

第15题：

Which statement about the ip classless router command is true?（）

• A、The ip classless command is enabled by default in recent versions of IOS.
• B、The ip classless command should only be enabled when static routing is being used instead of a routing protocol.
• C、The ip classless command should be enabled by the network administrator whenever RIPv1 or IGRP is being used.
• D、The ip classless command should be enabled by the network administrator whenever OSPF, RIPv2, or EIGRP is being used.

第16题：

Which statement is true about the command ipv6 ospf 1 area 0?（）

• A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.
• B、It must be issued after the network command to enable the OSPF process for IPv6.
• C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.
• D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.

第17题：

Which statement about MPLS traffic engineering policy-based tunnel selection （PBTS） is not true？（）

• A、The tunnel that is not configured with the policy-class command acts as the default
• B、EXP selection is between multiple tunnels to the same destination
• C、There is no requirement for IGP extensions
• D、Tunnels are configured using the policy-class command and carry multiple EXP values
• E、It supports VRF traffic， IP-to-MPLS switching， and MPLS-to-MPLS switching

第18题：

The following configuration command was entered into a router:ip route 172.16.3.0 255.255.255.0 192.168.2.4 Which of the following statements are true regarding this configuration change?（）

• A、The default administrative distance is used.
• B、The command is used to establish a static route.
• C、The command is used to configure the router interfaces.
• D、The command is used to establish a stub network.
• E、The subnet mask for the source address is 255.255.255.0

第19题：

Which statement about the WebView submit command is true?（）

• A、The submit command exits the GUI.
• B、The submit command reboots the WX device.
• C、The submit command saves and writes the configuration to flash.
• D、The submit command is the same as the commit CLI command.

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