最新的Juniper JN0-343免費考試真題

問題1

You just applied the Layer 2 firewall filter shown in the exhibit to a port as an input filter to block traffic from a one source MAC address. After monitoring the port, you notice that all traffic ingressing that port has stopped flowing. What is the problem?

A. The Layer 2 firewall filters will not work at the port level. It must be applied at the VLAN level.

B. All other traffic is matching the default term and being discarded.

C. The traffic is being blocked on the egress port. Another Layer 2 firewall filter must be applied on the port to allow this traffic.

D. The from criterion must match on destination-mac-address and not source-macaddress.

正確答案: B

問題2

Which two steps must be performed to carry out a unified ISSU on an EX Series Virtual Chassis? (Choose two.)

A. Enable GRES and NSR, then verify that the Routing Engines are synchronized.

B. Download the new software package and copy it to both Routing Engines before the upgrade.

C. Verify that the master and backup Routing Engines are running the same software version.

D. Shut down the backup Routing Engine before the upgrade.

正確答案: A,C

問題3

Which two pieces of information are communicated by IS-IS TLVs? (Choose two.)

A. authentication key

B. network protocols supported

C. PDU Length

D. designated router priority

正確答案: A,B

問題4

Which Junos operational command displays all operational IS-IS neighbors?

A. show isis database

B. show isis neighbors

C. show isis interface

D. show isis adjacency

正確答案: D

問題5

A link has failed in your IS-IS network.
Which type of PDU is triggered because of the failure?

A. hello PDU

B. PSNP PDU

C. CSNP PDU

D. link-state PDU

正確答案: D

問題6

In the following output, what does the asterisk indicate?

A. The interface is active.

B. The interface is configured as a trunk.

C. The interface is inactive.

D. The interface is configured for spanning-tree protocol.

正確答案: A

問題7

The exhibit shows the Ethernet bridge table on an EX Series switch. What does the asterisk (*) in the output indicate?

A. The asterisk (*) indicates an invalid MAC address.

B. The asterisk (*) indicates all valid destination MAC addresses.

C. The asterisk (*) indicates the flood entry for all VLANs.

D. The asterisk (*) indicates a multicast MAC address.

正確答案: B

問題8

Which two sequences correctly describe the correct processing order of firewall filters on an EX
Series switch? (Choose two.)

A. port filter > VLAN filter > router filter > transmit packet

B. router filter > VLAN filter > port filter > transmit packet

C. receive packet > port filter > VLAN filter > router filter

D. receive packet > router filter > VLAN filter > port filter

正確答案: A,C

問題9

By default, what is the IP time-to-live (TTL) value for an EBGP session?

A. 255

B. 1

C. 128

D. 63

正確答案: B

最新的Juniper Networks Certified Internet Specialist (JNCIS-ENT) - JN0-343免費考試真題

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