單項(xiàng)選擇題What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?()

A. authentication, integrity checking, and confidentiality
B. less overhead
C. dynamic routing over the tunnel
D. granular QoS support
E. open standard
F. scalability


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1.多項(xiàng)選擇題Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office?()

A. DMVPN
B. MPLS VPN
C. Virtual Tunnel Interface (VTI)
D. SSL VPN
E. PPPoE

3.單項(xiàng)選擇題During the IPv6 autoconfiguration, what does the device append to the 64- bit prefix that it receives from the router to create its IPv6 address?()

A. a pseudora ndom generated number
B. its locally configured IPv4 address
C. the DHCP - supplied device ID
D. its MAC address

4.單項(xiàng)選擇題

Refer to the exhibit. Based on this command output, what can we conclude about R3?()

A. R3 is an ABR.
B. R3 is not connec ted to the backbone.
C. R3 has four neighbors.
D. R3 is the DR for area 2.

最新試題

An enterprise has plans to start adding IPv6 support. The initial deployment requires support from some IPv6 - only device s that need to access servers that support only IPv4.Which of the following tools would be most appropriate?()

題型:?jiǎn)雾?xiàng)選擇題

Look at the following configuration below and select the statements that are true.()RD2(config)#router ospf 100RD2(config - router)# distance 180 10.1.10.1 0.0.0.0 match - meRD2(config -router)#!RD2(config - router) #ip access - list standard match - meRD2(config - std - nacl)# permit host 172.16.0.0

題型:多項(xiàng)選擇題

Router R1 use s MAC address 1111.1111.1111 for its Fa0/0 interface. An engineer sees the following configuration in the output of a show running - config command. Then, the engineer issues a show ipv6 interface brief command. What global unicast IPv6 address does this c ommand display for interface tunnel 1?()interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 1tunnel source loopback 1tunnel destination 192.168.1.2tunnel mode ipv6ip isatapipv6 address 2000::/64 eui - 64

題型:?jiǎn)雾?xiàng)選擇題

An engineer is reviewing another engineer's sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router.Which of the following commands is not required for the configuration to pass IPv6 traffic?()

題型:?jiǎn)雾?xiàng)選擇題

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in  this case?()D 2000::/64 [90/1422516]via FE80::213:19FF:FE7B:5026, Serial0/0/1C 2000:0:0:1::/64 [0/0]via Serial0/0/1, directly connectedL 2000::1:213:19FF:FE7B:5004/128 [0/0]via Serial0/0/1, receive

題型:?jiǎn)雾?xiàng)選擇題

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?()

題型:多項(xiàng)選擇題

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, and into the core of an Enterprise network. The branch also allows local hosts to communicate directly with public sites in th e Internet over this same DSL connection.Which of the following answers defines how the branch NAT config avoids performing NAT for the Enterprise directed traffic but does perform NAT for the Internet - directed traffic?()

題型:?jiǎn)雾?xiàng)選擇題

Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?()interface f0/0mac - address 1111.1111.1 111ipv6 address 2000::/64 eui - 64ipv6 address 2001::1/64

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An enterprise h as plans to start adding IPv6 support. For the first year, the IPv6 will be in small pockets spread around the existing large IPv4 network, with occasional IPv6 traffic while applications teams test IPv6 - enabled servers and applications.Which of the fol lowing tools would be most appropriate?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?()

題型:多項(xiàng)選擇題