單項選擇題According to RFC 2328, what is the stateful order in which an OSPF router transitions to a full adjacency with a neighbor router?()

A. Down, Init, 2 - Way, Exstart, Exchange, Loading, and Full
B. Down, Init, 2 - Wa y, Exchange, Exstart, Loading, and Full
C. Down, 2 - Way, Init, Loading, Exstart, Exchange, and Full
D. Down, 2 - Way, Init, Exchange, Exstart, Loading, and Full
E. Down, Init, 2 - Way, Loading, Exstart, Exchange, and Full
F. Down, 2 - Way, Init, Exstart, Exch ange, Loading, and Full


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1.單項選擇題

Refer to the exhibit. OSPF has been configured on all routers in the network and Area 1 has been configured as a NSSA. Which statement is true about the NSSA Area 1?()

A. Only redistributed RIP routes will appear in Area 1. They will be advertised via t ype 7 LSAs
B. No redistributed routes can appear in Area 1, only summary routes
C. Redistributed RIP and IGRP routes will appear in Area 1. They will be advertised via type 5 LSAs
D. Only redistributed IGRP routes will appear in Area 1. They will be advertised via type 7 LSAs

2.單項選擇題

Refer to the exhibit. Which st atement is true?()

A. Router RTA is the BDR
B. Router RTA is directly connected to interface 192.168.45.1
C. Neighbor 192.168.45.1 has changed its OSPF priority number
D. Router RTA and neighbor 192.168.45.2 are exchanging OSPF LSAs

3.單項選擇題

Refer to the exhibit. Which statement is true about the configuration? ()

A. RTA will not establish an OSPF adjacency w ith RTB
B. RTA will send OSPF hello packets, but will not send OSPF updates
C. RTA will not accept OSPF hello packets from RTB
D. RTA will send OSPF updates, but will not establish an adjacency with RTB

4.單項選擇題An administrator types in the command router ospf 1 and receives the er ror message: "OSPF process 1 cannot start." (Output is omitted.) What should be done to correctly set up OSPF?()

A. Ensure that an interface has been configured with an IP address
B. Ensure that IP classless is enabled
C. Ensure that the interfaces can ping their directly connected neighbors
D. Ensure that an interface has been configured with an IP address and is up

5.多項選擇題

Open Shortes t Path First (OSPF) is a routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force (IETF).
Which two statements best describe the OSPF link - state routing pro tocol?()

A. OSPF sends updates every 10 seconds
B. OSPF sends triggered updates when a network change occurs
C. When a link state is changed, the router that detected the change creates a link - state advertisement (LSA) and propagates it  to all OSPF devices using the 224.0.0.6 multicast address
D. OSPF sends summaries of individual link- state entries every 30 minutes to ensure LSDB synchronization

最新試題

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network.Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?()

題型:單項選擇題

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:單項選擇題

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:多項選擇題

An engineer is trying to summarize the following networks using the "ip summary- address eigrp"command:10.8.88.0/2510.8.89.48/2910.8.64.96/27Which network and subnet mask below would be the smallest EIGRP summary address to include all three subnets?()

題型:單項選擇題

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 OSPFv3 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 OSPFv3 on R1 after this configuration has been pasted into R1?()ipv6 router ospf 1ipv6 unicast- routinginterface f0/0ipv6 address 2000 ::1/64ipv6 ospf 1 area 1interface s0/0/0ipv6 address 2001::/64 eui - 64ipv6 ospf 1 area 0

題型:單項選擇題

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:單項選擇題

Which of the following IPv6 tunneling mechanisms support IPv6 IGP routing protocols?()

題型:多項選擇題

Which of the following must match for  two directly connected routers running OSPF to establish a neighbor adjacency?()

題型:多項選擇題

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

題型:單項選擇題

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:單項選擇題