An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）
- A、Level 1 only
- B、Level 2 only
- C、Level 1 and Level 2
- D、Level 3 only
相关考题：
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A. Level 1 onlyB. Level 2 onlyC. Level 1 and Level 2D. Level 3 only
What are three TLVs that support IS－IS extensions for traffic engineering?() A. Extended IS reachabilityB. Extended IP reachabilityC. Traffic engineering opaqueD. Traffic engineering router IDE. Extended MPLS reachability
You would like to operate IS－IS on interface atm 6／0.33 with an IP address of 192.168.1.1／24.Which set of commands accomplishes this?() A. router isis network 192.168.1.0 0.0.0.255B. router isis network 192.168.1.0 255.255.255.0C. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isisD. interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis
ATT （Attached ）bit needs to be set in the link state PDUs in an IS-IS level-1-2 router to indicate that theyare a potential exit point out of the area.（）A、TrueB、False
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）A、15B、18C、150D、165
You have a Level 1-only router （Router A） in IS-IS area 49.0001. How does Router A learn how to get to IP prefixed in other areas？（）A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU （LSP） it floods into area 49.0001.D、The Level 1/Level 2 router in area 49.0001 advertises these prefixed into area 49.0001 using a Level 2 LSP it floods into the area.
Which three components are part of the Network Entity Title (NET) on an IS-IS router?（）A、AFIB、MACC、areaD、N-SelectorE、IP address
Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）A、10B、15C、18D、150E、160F、165
路由器使用Router-ID生成IS-IS进程NET地址的益处有（）。A、Router-ID和NET中的Stem-ID默认就是绑定的，便于维护B、NET由Router-ID生成，便于记忆C、使用全网唯一的Router-ID能够保证全网路由器IS-IS进程NET的唯一性D、若发生设备替换，Router-ID和Stem-ID都可以灵活修改
By default, an L1/L2 IS-IS router advertises what remote area routes into a Level 1 area?（）A、only summarized routesB、all routes in the networkC、all routes in the backboneD、No routes are advertised.
You would like to operate IS-IS on interface atm 6/0.33 with an IP address of 192.168.1.1/24. Which set of commands accomplishes this?（）A、router isis network 192.168.1.0 0.0.0.255B、router isis network 192.168.1.0 255.255.255.0C、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 router isisD、interface atm 6/0.33 ip address 192.168.1.1 255.255.255.0 ip router isis
Within IS-IS, the restart helper performs which task?（）A、It sends CSNPs to the restarting router.B、It periodically sends TLV 211 to the restarting router.C、It informs other routers in the domain that a router has restarted.D、It tears down adjacency and sends its entire database after 30 seconds.
Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）A、the router with the lowest priorityB、the router with the highest priorityC、the router with the highest System IDD、the router with the highest IP address
In IS-IS， how long will the restart helper keep the restarting router in the up state？（）A、The hello dead timer expires.B、The restart duration timer expires.C、The restarting router sets the down bit.D、The restart helper sends out three CSNPs.
单选题In IS-IS, how long will the restart helper keep the restarting router in the up state?（）Auntil the hello dead timer expiresBuntil the restart duration timer expiresCuntil the restarting router sets the down bitDuntil the restart helper sends out three CSNPs
单选题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?（）Athe router with the lowest priorityBthe router with the highest priorityCthe router with the highest System IDDthe router with the highest IP address
单选题In IS-IS， how long will the restart helper keep the restarting router in the up state？（）AThe hello dead timer expires.BThe restart duration timer expires.CThe restarting router sets the down bit.DThe restart helper sends out three CSNPs.
单选题In the IS-IS Designated Intermediate System （DIS） election process， which criteria is used for DIS selection？（）Ahighest router ID first， then highest priorityBhighest MAC address first， then highest priorityChighest router ID first， then highest MAC addressDhighest priority first， then highest router IDEhighest priority first， then highest MAC address
单选题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）ALevel 1 onlyBLevel 2 onlyCLevel 1 and Level 2DLevel 3 only
多选题Which three components are part of the Network Entity Title (NET) on an IS-IS router?（）AAFIBMACCareaDN-SelectorEIP address
单选题Within IS-IS, the restart helper performs which task?（）AIt sends CSNPs to the restarting router.BIt periodically sends TLV 211 to the restarting router.CIt informs other routers in the domain that a router has restarted.DIt tears down adjacency and sends its entire database after 30 seconds.
单选题Which IS-IS authentication method is supported on the ERX Edge Router?（）Asimple passwordBHMAC message digest 5CPassword Authentication ProtocolDChallenge Handshake Authentication Protocol
多选题Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router?（）A15B18C150D165
多选题Which two are default preference values for both internal and external IS-IS Level 2 routes on a Juniper Networks router？（）A10B15C18D150E160F165
多选题Which four components make up the Network Entity Title （NET） of an IS-IS router？（）AAFBAFICMACDAreaESysIDFA-SelectorGN-SelectorHIP-address
单选题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）ALevel 1 onlyBLevel 2 onlyCLevel 1 and Level 2DLevel 3 only
多选题What are three TLVs that support IS-IS extensions for traffic engineering?（）AExtended IS reachabilityBExtended IP reachabilityCTraffic engineering opaqueDTraffic engineering router IDEExtended MPLS reachability
单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）ANo routers are adjacent with each other.BOnly Router A and Router B are adjacent at Level 1.COnly Router A and Router B are adjacent at Level 2.DAll three routers are adjacent with each other at Level 1.