单选题The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration？（）A ermit all packets matching the first three octets of the source address to all destinatio

题目
单选题
The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.00.0.0.255 any What is the effect of this access list configuration？（）
A

ermit all packets matching the first three octets of the source address to all destinations

B

permit all packet matching the last octet of the destination address and accept all source addresses

C

permit all packet matching the host bits in the source address to all destinations

D

permit all packet from the third subnet of the network address to all destinations

相似考题

1.Given the following router output,which configuration file will the router use at its next reload?()A.configB.clientqos.cnfC.startup-configD.running-configuration

2.Part of the configuration files for routers testking1 and testking2 are displayed below:If you were to enter the "show interface serial 0" command on router testking1,which of the following will be displayed?（）A. Serial 0 is down, line protocol is downB. Serial 0 is up, line protocol is upC. Open: IPCP, CDPCPD. LCP closedE. LCP open

3.The following configuration line was added to router R1 Access－list 101 permit ip 10.25.30.0 0.0.0.255 any What is the effect of this access list configuration?()A. permit all packets matching the first three octets of the source address to all destinationsB. permit all packet matching the last octet of the destination address and accept all source addressesC. permit all packet matching the host bits in the source address to all destinationsD. permit all packet from the third subnet of the network address to all destinations

4.Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2? （）A. Add the area 1 stub command on routers R1.B. Add the always keyword to the default - information originate configuration command on router R2.C. Remov e the default information originate configuration command from router R2 and place it on router R1.D. Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.

参考答案和解析
正确答案： D
解析： 暂无解析
更多“The following configuration line was added to router R1 Acce”相关问题

  • 第1题：

    The following configuration line was added to router R1Access－list 101 permit ip 10.25.30.00.0.0.255 anyWhat is the effect of this access list configuration?()

    A.ermit all packets matching the first three octets of the source address to all destinations

    B.permit all packet matching the last octet of the destination address and accept all source addresses

    C.permit all packet matching the host bits in the source address to all destinations

    D.permit all packet from the third subnet of the network address to all destinations


    参考答案：A

  • 第2题：

    You administer a network that uses two routers， R1 and R2， configured as an HSRP group to  provide redundancy for the gateway. Router R1 is the active router and has been configured as  follows：   R1#configure terminal   R1（config）#interface fa0/0   R1（config-if）#ip address 10.10.0.5 255.255.255.0   R1（config-if）#standby 1 priority 150   R1（config-if）#standby preempt delay minimum 50   R1（config-if）#standby 1 track interface fa0/2 15   R1（config-if）#standby 1 ip 10.10.0.20   Which of the following describes the effect the standby preempt delay minimum 50 command will  have on router R1？（）

    • A、 The HSRP priority for router R1 will increase to 200.
    • B、 Router R1 will become the standby router if the priority drops below 50.
    • C、 The HSRP priority for router R1 will decrease to 50 points when Fa0/2 goes down.  
    • D、 Router R1 will wait 50 seconds before attempting to preempt the active router.

    正确答案:D

  • 第3题：

    An engineer has added the following configuration snippet to an implementation planning document. The configuration will be added to Router R1, whose Fa0/0 interface connects to a LAN to which Routers R2 and R3 also connect. R2 and R3 are already EIGRP neighbors with each of her. Assuming the snippet shows all commands on R1 related to EIGRP authentication, which answer lists an appropriate comment to be made during the implementation plan peer review?（） key chain fred key 3 key - string whehew interface fa0/0 ip authenticat ion key - chain eigrp 9 fred

    • A、The configuration is missing one authentication - related configuration command
    • B、The configuration is missing two authentication - related configuration commands
    • C、Authentication type 9 is not supported; type 5 should be u sed insteaD
    • D、The key numbers must begin with key 1, so change the key 3 command to key 1

    正确答案:A

  • 第4题：

    On router R1， which three of the following protocols will be forwarded to a host specified by the "iphelper-address" interface configuration command if the configuration has not been modified by the"ip forward-protocol udp" global configuration command？（）

    • A、BOOTP
    • B、TFTP
    • C、ARP
    • D、DNS
    • E、proxy-ARP
    • F、FTP
    • G、CDP

    正确答案:A,B,D

  • 第5题：

    A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

    • A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.
    • B、For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.
    • C、Direct inter-vlan communication does not require OSPF
    • D、OSPF cannot be used if router-on-a-stick is configured on the router

    正确答案:C

  • 第6题：

    Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exis ts in a planning document intended to be used to copy/paste into Router R1 to enable EIGRP for IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Assuming F0/0 and S0/0/0 reach an up/up state, which of the following is true about EIGRP for IPv6 on R1 after this configuration has been pasted into R1?（） ipv6 router eigrp 1 ipv6 unicast- routing interface f0/0 ipv6 address 2000::1/64 ipv6 eigrp 1 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 eigrp 1

    • A、EIGRP works on F0/0 and S0/0/0 without further configuration
    • B、EIGRP works with the addition of one command: a no shutdown command in EIGRP router configuration modE
    • C、EIGRP works with the addition of one command: an eigrp router - id command in EIGRP router configurat ion modE
    • D、EIGRP for IPv6 needs at least two more configuration commands before it works on R1

    正确答案:D

  • 第7题：

    The following configuration line was added to router R1 Access-list 101 permit ip 10.25.30.0 0.0.0.255 any What is the effect of this access list configuration?（）

    • A、permit all packets matching the first three octets of the source address to all destinations
    • B、permit all packet matching the last octet of the destination address and accept all source addresses
    • C、permit all packet matching the host bits in the source address to all destinations
    • D、permit all packet from the third subnet of the network address to all destinations

    正确答案:A

  • 第8题：

    单选题
    An engineer has added the following configuration snippet to an implementation planning document. The configuration will be added to Router R1, whose Fa0/0 interface connects to a LAN to which Routers R2 and R3 also connect. R2 and R3 are already EIGRP neighbors with each of her. Assuming the snippet shows all commands on R1 related to EIGRP authentication, which answer lists an appropriate comment to be made during the implementation plan peer review?（） key chain fred key 3 key - string whehew interface fa0/0 ip authenticat ion key - chain eigrp 9 fred
    A

    The configuration is missing one authentication - related configuration command

    B

    The configuration is missing two authentication - related configuration commands

    C

    Authentication type 9 is not supported; type 5 should be u sed insteaD

    D

    The key numbers must begin with key 1, so change the key 3 command to key 1


    正确答案： D
    解析： 暂无解析

  • 第9题：

    多选题
    Router R1 has been configured for EIGRP. The configuratio n also includes an ACL with one line -access - list 1 permit 10.100.32.0 0.0.15.255 - and the EIGRP configuration includes the distribute -list 1 in command. Which of the following routes could not be displayed in the output of the show ip eigrp topology comm and as a result?（）
    A

    10.10.32.0/19

    B

    10.10.44.0/22

    C

    10.10.40.96/27

    D

    10.10.48.0/23

    E

    10.10.60.0/30


    正确答案： C,B
    解析： 暂无解析

  • 第10题：

    多选题
    On router R1， which three of the following protocols will be forwarded to a host specified by the "iphelper-address" interface configuration command if the configuration has not been modified by the"ip forward-protocol udp" global configuration command？（）
    A

    BOOTP

    B

    TFTP

    C

    ARP

    D

    DNS

    E

    proxy-ARP

    F

    FTP

    G

    CDP


    正确答案： B,D
    解析： 暂无解析

  • 第11题：

    单选题
    A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）
    A

    For the two vlans to communicate，a network statement for the trunk interface needs to be added to the  OSPF configuration.

    B

    For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration.

    C

    Direct inter-vlan communication does not require OSPF

    D

    OSPF cannot be used if router-on-a-stick is configured on the router


    正确答案： B
    解析： 暂无解析

  • 第12题：

    多选题
    Router R1 is configured for HSRP.  Which of the following are valid HSRP states on R1？ （）
    A

    Init

    B

    Idle

    C

    Active

    D

    Standby

    E

    Established

    F

    Backup


    正确答案： B,A
    解析： 暂无解析

  • 第13题：

    Router R1 has been configured for EIGRP. The configuratio n also includes an ACL with one line -access - list 1 permit 10.100.32.0 0.0.15.255 - and the EIGRP configuration includes the distribute -list 1 in command. Which of the following routes could not be displayed in the output of the show ip eigrp topology comm and as a result?（）

    • A、10.10.32.0/19
    • B、10.10.44.0/22
    • C、10.10.40.96/27
    • D、10.10.48.0/23
    • E、10.10.60.0/30

    正确答案:D,E

  • 第14题：

    In which Cisco IOS configuration mode is the route distinguisher （RD） configured？（）

    • A、R1（config-route-at）#
    • B、R1（config-route-map）#
    • C、R1（config-it）#
    • D、R1（config-vrf）#
    • E、R1（config）#
    • F、R1（router）#

    正确答案:D

  • 第15题：

    The VLANs in switch R1 are being modified. Which of the following are updated in R1 every time a VLAN is modified？（）

    • A、Configuration revision number
    • B、Configuration revision flag field
    • C、Configuration revision reset switch
    • D、Configuration revision database
    • E、None of the other alternatives apply

    正确答案:A,D

  • 第16题：

    Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）

    • A、IPsec tunnel
    • B、GRE tunnel
    • C、Floating stati c route
    • D、An IGP

    正确答案:A,C

  • 第17题：

    Router R1 is configured for HSRP.  Which of the following are valid HSRP states on R1？ （）

    • A、 Init
    • B、 Idle
    • C、 Active
    • D、 Standby
    • E、 Established
    • F、 Backup

    正确答案:A,C,D

  • 第18题：

    Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable RIPng and IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Which of the following is true about RIPng on R1 after this configuration has been pasted into R1?（） ipv6 unicast- routing interface f0/0 ipv6 rip one enable ipv6 address 2000::1/64 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 rip one enable

    • A、RIPng will be enabled on no interfaces.
    • B、RIPng will be enabled on one interface.
    • C、RIPng will  be enabled on two interfaces.
    • D、RIPng will advertise about prefixes connected to S0/0/0 and F0/0, but only send Updates on one interface.

    正确答案:B

  • 第19题：

    单选题
    Given the following router output,which configuration file will the router use at its next reload?（）
    A

    config

    B

    clientqos.cnf

    C

    startup-config

    D

    running-configuration


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    An administrator needs to update a router configuration for a router that does not support SSH.Which of the following can be used to securely update the router configuration?（）
    A

    FTP

    B

    SNMPv2

    C

    TFTP

    D

    KTTPS


    正确答案： D
    解析： 暂无解析

  • 第21题：

    单选题
    What is the importance of using Virtual Output Queues on ingress Line Cards in a high-end router？（）
    A

    Prevents head-of-line blocking

    B

    Uses less memory

    C

    Increases forwarding performance

    D

    Simplifies configuration


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Router R1 currently has no configuration related to IPv6 or IPv4. The following configuration exists in a planning document, intended to be used to copy/paste into Router R1 to enable RIPng and IPv6 on interfaces F0/0 and S0/0/0. No other related configuration exists. Which of the following is true about RIPng on R1 after this configuration has been pasted into R1?（） ipv6 unicast- routing interface f0/0 ipv6 rip one enable ipv6 address 2000::1/64 interface s0/0/0 ipv6 address 2001::/64 eui - 64 ipv6 rip one enable
    A

    RIPng will be enabled on no interfaces.

    B

    RIPng will be enabled on one interface.

    C

    RIPng will  be enabled on two interfaces.

    D

    RIPng will advertise about prefixes connected to S0/0/0 and F0/0, but only send Updates on one interface.


    正确答案： B
    解析： 暂无解析

  • 第23题：

    多选题
    Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）
    A

    IPsec tunnel

    B

    GRE tunnel

    C

    Floating stati c route

    D

    An IGP


    正确答案： C,D
    解析： 暂无解析

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