單項(xiàng)選擇題A request arrived on your MPLS-vpn-bgp group. Due to a security breach, your customer is experiencing DoS attacks coming from specific subnets (200.0.10.0/24, 200.0.12.0/24). You have checked all MPLS-EBGP routes being advertised to BHK from other VPN sites and found four subnets listed: 200.0.10.0/24, 200.0.11.0/24, 200.0.12.0/24, 200.0.13.0/24. You immediately apply an outbound ACL filter using the appropriate MPLS-EBGP tool: access-list 1 deny 0.0.0.0 255.255.254.255 access-list 1 permit any What happens when you apply this ACL on the MPLS-EBGP connection to BHK?()

A.It blocks all routes.
B.It blocks the routes 200.0.12.0/24, 200.0.10.0/24 only.
C.It blocks the routes 200.0.12.0/24, 200.0.13.0/24 only.
D.It blocks the routes 200.0.10.0/24, 200.0.13.0/24 only.
E.Nothing happens, no routes are blocked.


您可能感興趣的試卷

你可能感興趣的試題

1.問答題WRR?
5.多項(xiàng)選擇題The network administrator is trying to add Switch1 to the network, but the 802.1Q trunk is not coming up. Switch1 was previously tested in the laboratory and its trunk configuration worked fine. What are three possible causes of this problem? ()

A.The trunking configuration mode on Switch1 is set to Off.
B.The trunking configuration mode on the other end is set to On.
C.The trunking configuration mode on the other end is set to Desirable.
D.Cisco Discovery Protocol is not running on the other end.
E.There is a VTP domain name mismatch.
F.Switch1 does not support 802.1Q.

8.多項(xiàng)選擇題

Refer to the exhibit. Two ISPs have decided to use MSDP and configured routers X and Y (both are PIM RPs) as MSDP peers. In the domain of ISP B, PC A has sent an IGMP membership report for the group 224.1.1.1 and PC B has sent an IGMP membership report for the group 224.5.5.5. Assuming that the MSDP peering relationship between routers X and Y is functional, and given the partial configuration output shown from router X, which two of these statements are true?() 

A.Router X will contain an entry for 224.1.1.1 in its SA cache and will also have an installed (S,G) entry for this in its mroute table.
B.Router X will not contain an entry for 224.1.1.1 in its SA cache but will have an installed (*,G) entry for this in its mroute table.
C.Router X will not contain an entry for 224.5.5.5 in its SA cache but will have an installed (S,G) entry for this in its mroute table.
D.Router X will not contain an entry for 224.5.5.5 in its SA cache but will have an installed (*,G) entry for this in its mroute table.
E.Router X will have no entries for 224.5.5.5 in neither its SA cache nor in its mroute table.
F.Router X will have no entries for 224.1.1.1 in neither its SA cache nor in its mroute table.

最新試題

A default Frame Relay WAN is classified as what type of physical network?()

題型:?jiǎn)雾?xiàng)選擇題

R1 will choose which path to reach 10.1.0.0?

題型:?jiǎn)柎痤}

Which of the following describes the roles of devices in a WAN?()

題型:多項(xiàng)選擇題

Refer to the exhibit.The network administrator is in acampus 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?()

題型:?jiǎn)雾?xiàng)選擇題

When upgrading the IOS image,the network administrator receives the exhibited error message.What could be the cause of this error?()

題型:?jiǎn)雾?xiàng)選擇題

DHCP SERVER在給一個(gè)網(wǎng)段設(shè)置POOL時(shí),該網(wǎng)段路由器接口地址能不能放入POOL,能why,不能why。

題型:?jiǎn)柎痤}

Refer to the exhibit.How many broadcast domains exist in theexhibited topology?()

題型:?jiǎn)雾?xiàng)選擇題

A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?()

題型:?jiǎn)雾?xiàng)選擇題

什么問題導(dǎo)致SERVER VTP密碼跟替他交換機(jī)VTP密碼不匹配?

題型:?jiǎn)柎痤}

As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?()

題型:?jiǎn)雾?xiàng)選擇題