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？（）
单选题Which IS-IS authentication method is supported on the ERX Edge Router?（）A simple passwordB HMAC message digest 5C Password Authentication ProtocolD Challenge Handshake Authentication Protocol
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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？（）A Level 1 onlyB Level 2 onlyC Level 1 and Level 2D Level 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?（）A No routers are adjacent with each other.B Only Router A and Router B are adjacent at Level 1.C Only Router A and Router B are adjacent at Level 2.D All three routers are adjacent with each other at Level 1.
