Juniper JNCIS jn0-303 认证考题

1.Click the Task button. Place each queue into the order they are serviced given the priority and credit shown.

Drag and drop question. Drag the items to the proper locations.

2.Which three authentication options does OSPF support? (Choose three.)

A:DES

B:MD5

C:Kerberos

D:unauthenticated

E:simple password

 

3.In BGP graceful restart, how does a peer router indicate the end of a route exchange?

 

A: An open message with the E bit set.

B: An update message with the E bit set.

C: An open message with an end-of-RIB marker.

D: An update message with an end-of-RIB marker.

 

4.Firewall filter policers can perform which two actions? (Choose two.)

 

A:Set the next hop.

B:Discard packets.

C:Set the loss priority.

D:Sample the packet content.

 

5.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 prefixes 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 prefixes into area 49.0001 using a Level 2 LSP it floods into the area.

 

6.What is the maximum metric value that can be reported in a narrow metric TLV?

 

A: 63

B: 64

C: 1023

D: 1024

E: 65535

 

7.When comparing CPE and provider-provisioned VPNs (PPVPN), which two statements are true? (Choose two.)

 

A:CPE VPN's require dedicated VPN aware hardware at customer site, PPVPN does not.

B:PPVPN's require dedicated VPN aware hardware at customer site, CPE VPN's  does not.

C:CPE VPN's scale better than PPVPN's as they do not require a per site configuration on the CPE.

D:PPVPN's scale better than CPE VPN's as they do not require a per site configuration on the CPE.

 

8.A router receives an IPv6 packet which is 2000 bytes in length. The MTU of the outgoing interface is 1500 bytes. What action will the router take?

 

A: forwards the packet

B: fragments the packet

C: drops the packet silently

D: drops the packet and sends an ICMP message

 

9.Which choice describes the JUNOS software default policy action for BGP routes? A BGP router exports all active routes learned from an IBGP peer to all  _____.

 

A: IBGP peers

B: EBGP peers

C: active BGP peers

D: established BGP peers

 

10.Which is a step in the JUNOS software CSPF algorithm?

 

A: Prune links that are bidirectional.

B: Eliminate paths with insufficient MTU.

C: Eliminate paths of more than 15 hops.

D: Prune links that do not contain the included administrative group.