多項選擇題What three major tasks are performed by a Designated Intermediate System in an ISIS pseudonodeenvironment？（）

A.Updating the pseudonode LSP
B.maintaining pseudonode link-state information
C.creating the pseudonode
D.flooding LSPs over the LAN
E.election of the pseudonode


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1.單項選擇題What does RPL stand for？（）

A.routing primary language
B.routing policy language
C.routing police language
D.routing program language
E.routing protocol language

2.多項選擇題Which three components are included in the Cisco IOS XR infrastructure？（）

A.modular line cards
B.shelf controllers
C.route processors
D.service processors
E.distributed service cards

4.多項選擇題Which three statements about NetFlow are true？ （）

A.LCP is used for PPP over ATM （PPPoA） setup.
B.LCP is used for PPP over Ethernet （PPPoE） setup.
C.LCP is used for PPP over Ethernet （PPPoPR） setup.
D.LCP is used for PPP CHAP authentication.
E.LCP is used for basic PPP link setup and operation.

5.多項選擇題Which three statements about NetFlow are true？（）

A.NetFlow records unidirectional IP traffic flow.
B.NetFlow records MPLS frame flow.
C.NetFlow expert is only over TCP.
D.NetFlow records is only over UDP.
E.NetFlow records subinterface information of traffic flow.