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

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 1ipv6 unicast- routinginterface f0/0ipv6 address 2000::1/64ipv6 eigrp 1interface s0/0/0ipv6 address 2001::/64 eui - 64ipv6 eigrp 1

題型:?jiǎn)雾?xiàng)選擇題

Router R1 lists the following output from a show command. Which of the following is true about R1?()R1# show ip v6 interface f0/0FastEthernet0/0 is up, line protocol is upIPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456No Virtual link - local address(es):Global unicast address(es):2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI]Jo ined group address(es):FF02::1FF02::2FF02::1:FF:12:3456

題型:?jiǎn)雾?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

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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

The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?()interface loopback 1ip address 1.1.1.1 255.255.255.255interface tunnel 2ipv6 address 2000::1::/64tunnel source loopback 1tunnel destina tion 2.2.2.2tunnel mode ipv6ipipv6 eigrp 1

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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

The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer?()interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 2ipv6 address 2002:C0A8:10 1::1/64tunnel source loopback 1

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A client host uses IPv4 to communicate with one ser ver and IPv6 to communicate with another.Which of the following IPv6 coexistence features is likely at work on the host?()

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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- routinginterface f0/0ipv6 rip one enableipv6 address 2000::1/64interface s0/0/0ipv6 address 2001::/64 eui - 64ipv6 rip one enable

題型:?jiǎn)雾?xiàng)選擇題

The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output?()B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18

題型:?jiǎn)雾?xiàng)選擇題