JN0-321 Online Practice Questions and Answers

Which system elements are exported when using the system snapshot feature?

A. tsdump, tcp dump, current debug and memory states

B. current memory states

C. system process data, system logs, system debug statistics and system passkeys

D. system software, users, configuration, licenses, app rules, SSL certificates and keys

Which two benefits does the Juniper DX provide? (Choose two.)

A. It offloads TCP connections from servers.

B. It spools email messages.

C. It offloads SSL from servers.

D. It compresses images.

What do you need to upgrade the DXOS?

A. an upgrade .tar file placed on your SCP server

B. an upgrade CD provided by your Juniper Networks representative

C. an upgrade .pac file placed on your TFTP or SCP server

D. an upgrade .gz file placed on your FTP server

Which file should be sent to JTAC for all DX appliance support cases?

A. nitro.apprule file

B. demo_override file

C. tsdump file

D. tcpdump file

In which three situations can AppRules be applied? (Choose three.)

A. on each client content request

B. on each server header response

C. on each server content response

D. on each client header request

E. on each DX appliance header health check

In a production environment, which two steps are required to enable SSL between the client and the Juniper DX? (Choose two.)

A. Enable client certificate authentication.

B. Enable listen side SSL.

C. Enable target side SSL.

D. Import SSL certificate and key.

In which two situations should you run the command sync group? (Choose two.)

A. when you enable Unified Failover

B. when you require synchronization of the 3G Cache objects

C. when you create an ActiveN group

D. when you synchronize the sticky table

Which Juniper DX service uses 3G Cache?

A. Forwarder

B. Redirector

C. Cluster

D. Server Load Balancer

When configuring OSPF on the ERX, what is the default auto cost reference band width value?

A. 1 Mbps

B. 10 Mbps

C. 100 Mbps

D. 1000 Mbps

What is the purpose of the OSPF hello packet?

A. advertises reachable networks

B. acknowledges the receipt of update packets

C. establishes and maintains neighbor relationships

D. describes the contents of the link state database

Which BGP route selection criterion is superior?

A. lowest MED

B. highest weight

C. shortest AS Path

D. lowest local preference

E. highest local preference

F. peer with lowest Router ID

Where is the ISIS Network Entity Title configured?

A. per IP interface

B. per virtual router

C. only on LAN interfaces

D. only on WAN interfaces

Which command is used to execute a macro called setup.mac?

A. macro setup

B. macro setup.mac

C. run macro setup

D. run macro setup.mac

What are three characteristics of RIPv2?

A. supports VLSM

B. SUPPORTS KERBEROS AUTHENTICATION

C. IS BACKWARD COMPATIBLE WITH RIPv1

D. Multicasts messages to RIP neighbors E. Uses Hello Protocol for neighbor discovery

In a Bridged 1483 network, you suspect ATM interface 6/2.1 is receiving cells but May not be transmitting them. The interface has an ATM PVC configuration of atm pvc 33 0 33 aa15snap. How do you baseline this interface and display recent ATM cell statistics?

A. baseline atm vc atm 6/2 1show atm vc atm 6/2 1 delta

B. baseline atm vc atm 6/2 33show atm vc atm 6/2 33 delta

C. baseline atm vc atm 6/2 1show atm vc atm 6/2 1 delta

D. baseline atm vc atm 6/2 33show atm vc atm 6/2 33 delta