單項選擇題Which description of BGP authentication is true?()

A.MD5 has been used by BGP to encrypt BGP update packets.
B.BGP uses a message-digest algorithm to authenticate BGP peers
C.A plain-text password authentication is an option of BGP authentication
D.EBGP peers authentication is faster than IBGP peers authentication
E.BGP uses public key and private key to authenticate BGP peers.


您可能感興趣的試卷

你可能感興趣的試題

2.多項選擇題Which three statements about the route target (RT) are true? ()

A.The RT is a BGP extended community.
B.The RT is an 8-byte field that is prefixed to an IPv4 address to make it a unique VPNv4 address.
C.When a VPN route that is learned from a CE router is injected into BGP, one or more RTs are associated with it
D.The distribution of VPN routing information is controlled through the use of VPN RTs
E.When a VPN route that is learned from a CE router is injected into BGP, there is always one RT that is associated with it.

3.多項選擇題Which three of these are types of Ethernet Virtual Connections (EVCs) in the MEF concept? ()

A.rooted multipoint EVC (E-Tree)
B.point-to-point EVC (E-Line)
C.point-to-multipoint EVC (E-Tree)
D.hub spoke EVC (E-Tree)
E.multipoint-to-multipoint EVC (E-LAN)

5.單項選擇題Which statement about Frame Relay is not true?()

A.Static mapping is used when the remote router does not support Inverse ARP.
B.Frame Relay Inverse ARP requires LMI capability to construct an address to the DLCI mapping tableon the router.
C.Frame Relay Inverse ARP is disabled by default in Cisco IOS Software for all protocols that areenabled on the physical interface.
D.Inverse ARP does not work when LMI is disabled.
E.Frame Relay provides forward and backward congestion notification messages

6.多項選擇題Option 10C is an implementation of Inter-AS MPLS VPN. Which two statements about Option 10C aretrue?()

A.Great scalability is offered
B.Route Target Rewrite must be configured on ASBRs
C.Multihop EBGP is utilized between route reflectors
D.Multihop EBGP is utilized between ASBRs
E.The ASBRs hold VPNv4 routes

7.單項選擇題Which statement about the Cisco MPLS TE Fast Reroute (FRR) node protection operation is not correct?()

A.It requires a next-next hop backup tunnel.
B.Point of local repair (PLR) swaps the next hop label and pushes the backup label.
C.The backup tunnel terminates on the merge point (MP) where traffic rejoins the primary tunnel.
D.The backup tunnel can have associated bandwidth capacity.
E.Restoration time is expected under 50 ms.

8.單項選擇題Where are MPLS point-to-multipoint traffic engineering packets replicated?()

A.head-end router
B.branch-point router
C.midpoint router
D.leaf-point router
E.tail-end router

9.多項選擇題Which three statements about BGP confederation and route reflectors are true? ()

A.Clusters are used in confederation schemes to avoid loops.
B.BGP network can have a confederation within a route reflector area.
C.An internal BGP network cannot have a route reflector within a confederation.
D.An internal BGP network can have a route reflector within a confederation.
E.Clusters are used in route reflector schemes to avoid loops.
F.BGP network cannot have a confederation within a route reflector area.

10.多項選擇題Which two statements about NTP version 4 are true?()

A.It supports fast synchronization at starting and before network failures
B.It supports automatic server discovery
C.It uses a fixed-point arithmetion
D.It supports the "nanokernel" kernel implementation
E.It does not support Public-Key Cryptography

最新試題

Which configuration prevents traffic that is sourced from the unique local address scope to be sent out ofthe link to the upstream service provider?()

題型:單項選擇題

Which three statements about MPLS traffic engineering (MPLS TE) are true? ()

題型:多項選擇題

Which statement about VPLS is true?()

題型:單項選擇題

What are three common reasons for ATM CRC errors?()

題型:多項選擇題

Which two statements about DS-Lite are true?()

題型:多項選擇題

Which statement about implementing the Cisco IPv6 provider Edge Router over MPLS is true?()

題型:單項選擇題

Which Modular QoS CLI (MQC) based output queuing method is designed to support multiple trafficclasses including VoIP traffic, mission-critical traffic, interactive traffic, and default class traffic?()

題型:單項選擇題

Which information is carried in the OSPFv3 intra-area Prefix LSA?()

題型:單項選擇題

Assume that the PEs are separated by Multiple P routers.How many labels should the ingress PE push for BPE functionality?()

題型:單項選擇題

MPLS label mapping on an LSR is displayed by which IOS command?()

題型:單項選擇題