Juniper JNCIA jn0-201 认证题库

1.From the [edit] level of the configuration hierarchy, which command assigns a router its autonomous system number?

 

A: set protocols bgp autonomous-system

B: set routing-options autonomous-system

C: set routing-options bgp autonomous-system

D: set protocols bgp group ibgp autonomous-system

 

2.Which RIP message type is used to ask neighbors for updates?

 

A: Hello message

B: Query message

C: Request message

D: Response message

 

3.Which ASIC is responsible for segmenting a packet into 64-byte J-Cells?

 

A: PIC I/O ASIC

B: I/O Manager ASIC

C: Buffer Manager ASIC

D: Internet Processor ASIC

 

4.When configuring an IBGP peering session between loopback interfaces, why is the local-address option required?

 

A: for VLSM support

B: for loop prevention

C: for TCP reachability

D: for MD5 authentication

 

5.Which message is used to transport routing information between BGP peers?

 

A: Open

B: Active

C: Update

D: Keepalive

E: Notification

 

6.Which OSPF router type summarizes network advertisements from one OSPF area into another?

 

A: ABR

B: ASBR

C: edge router

D: backbone router

 

7.Which protocol family is required prior to assigning an IP address to an interface?

 

A: family ip

B: family ip6

C: family inet

D: family inet4

 

8.When a router receives a label of zero it will _____.

 

A: perform a label pop

B: perform a label swap

C: perform a label push

D: send an error message toward the ingress router

 

9.Route preference is used to differentiate between _____.

 

A: internal and external BGP routes

B: two routes received from the same AS

C: two routes received from the same routing protocol

D: two routes received from different routing protocols

 

10.Given the following configuration snippet: [edit protocols bgp] import remove-comm; group peer-65521 { type external; export [ my-cust-tag add-as-path ]; peer-as 65221; neighbor 192.168.20.1 { import [ gold-cust silver-cust bronze-cust ]; export add-metric;  } Which policy will be applied to inbound routes from this BGP neighbor?

 

A: gold-cust

B: add-metric

C: my-cust-tag

D: remove-comm