單項(xiàng)選擇題You are about to design a very fast convergence time on a service provider network. Which feature wouldyou utilize to declare a link failure within less than two seconds of the fault on a link?()

A.fast convergence SFP
B.MTU discovery
C.redundancy links
D.keepalive
E.carrier delay


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1.多項(xiàng)選擇題Which three of these can be a forwarding equivalence class? ()

A.IPsec tunnel
B.routing equivalence paths
C.traffic engineering tunnel
D.bridge or switch instance
E.groups of IP addresses

3.單項(xiàng)選擇題What is the minimum hardware configuration of the multishelf Cisco CRS- 1 system?()

A.one route processor (RP) Card and one modular services card (MSC)
B.one distributed route processor (DRP) and one S13 fabric card (SFC)
C.one line card chassis (LCC) and one fabric card chassis (FCC)
D.one route processor (RP) and one fabric card chassis (FCC)
E.one line card chassis (LCC) and one S13 fabric card (SFC)

4.單項(xiàng)選擇題What is the port number of an IPsec Encapsulating Security Payfoad packet?()

A.UOP port 50
B.IP protocol 51
C.TCP port 51
D.TCP port 50
E.IP protocol 50
F.UDP port51

5.單項(xiàng)選擇題What is the encapsulation format of an MPLS Multicast VPN (MVPN) packer?()

A.IP unicast in IP unicast
B.IP multicast in IP anycast
C.IP anycast in IP anycast
D.IP multicast in IP unicast
E.IP multicast in IP multicast
F.IP unicast in IP multicast

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