[Free] 2018(Mar) Dumps4cert Testinsides Juniper JN0-343 Dumps with VCE and PDF 301-310

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Juniper Networks Certified Internet Specialist (JNCIS-ENT)

Question No: 301 – (Topic 4)

Which OSPF reference bandwidth setting would give a 1-Gbps link a metric of 10?

A. 10

B. 1000

C. 10,000,000

D. 10,000,000,000

Answer: D

Question No: 302 – (Topic 4)

– Exhibit –

Dumps4Cert 2018 PDF and VCE

– Exhibit –

Referring to the exhibit, if all four switches in the Virtual Chassis boot at the same time, which of the members will assume the master and the backup Routing Engine roles?

  1. Member 0 will be the master and Member 2 will be the backup based on the serial number.

  2. Member 2 will be the master and Member 0 will be the backup based on the serial number.

  3. Member 0 and Member 2 will participate in an election process to determine the master and the backup.

  4. The configuration is missing a priority statement to make the determination.

Answer: C

Question No: 303 – (Topic 4)

Which statement is true regarding redundant trunk groups (RTGs)?

  1. STP and RTG can be used on the same interface.

  2. An aggregated interface can be a member of an RTG.

  3. Members of an RTG must carry different VLANs.

  4. An RTG can contain up to 16 member links.

Answer: B

Question No: 304 – (Topic 4)

Which two prefixes contribute to the aggregate route (Choose two.)





Answer: A,B

Question No: 305 – (Topic 4)

– Exhibit –

ethernet-switching-options { secure-access-port { interface ge-0/0/0.0 {

mac-limit 2 action shutdown; no-dhcp-trusted;



storm-control { interface all;



– Exhibit –

You have configured a MAC limit on your switch.

Referring to the exhibit, when the MAC limit is exceeded, when will the port recover?

  1. After 30 seconds

  2. After the administrator enters the set ethernet-switching port-error clear command

  3. After 300 seconds

  4. After the administrator enters the clear ethernet-switching port-error command

Answer: D

Question No: 306 – (Topic 4)

You need additional security and are configuring IP source guard.

Which three statements accurately describe IP source guard? (Choose three.)

  1. The default setting for access ports using IP source guard is untrusted.

  2. IP source guard does not check packets received on a trunk interface.

  3. You can enable IP source guard on interfaces and VLANs.

  4. Packets with an invalid IP address or MAC address are rejected.

  5. IP source guard checks the IP/MAC address of packets received against entries stored in the DHCP snooping database.

Answer: A,B,E

Question No: 307 – (Topic 4)

You are asked to configure a port to support both tagged and untagged traffic. You want to make the trunk port ge-0/0/0 and also accept untagged traffic for the data VLAN.

Which configuration will satisfy the requirement?

  1. set interfaces ge-0/0/0 unit 0 vlan members data

  2. set interfaces ge-0/0/0 unit 0 untagged-vlan data

  3. set interfaces ge-0/0/0 unit 0 native-vlan-id data

  4. set interfaces ge-0/0/0 unit 0 default-vlan data

Answer: C

Question No: 308 – (Topic 4)

– Exhibit –

[edit protocols rstp] user@switch# show bridge-priority 32k; max-age 20;

hello-timer 2;

forward-delay 15; interface ge-0/0/11.0 { disable;


interface ge-0/0/12.0 { cost 20000;

mode point-to-point;


interface ge-0/0/13.0 { priority 128;

mode shared;


interface ge-0/0/14.0 {




– Exhibit –

The exhibit shows the RSTP configuration for your EX Series switch. The switch begins receiving BPDUs on a port and disables that port.

Which port is disabled?

A. ge-0/0/11.0 B. ge-0/0/12.0 C. ge-0/0/13.0 D. ge-0/0/14.0

Answer: D

Question No: 309 – (Topic 4)

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Referring to the exhibit, a packet sent from User A to User B will be forwarded out interface 0/0/23 using which source MAC address?

  1. Source MAC of user A

  2. Source MAC of user B

  3. Source MAC associated with IP address

  4. Source MAC associated with IP address

Answer: D

Question No: 310 – (Topic 4)

You want to limit the times a user can move their laptop from one switch port to another using MAC move limiting.

Which three statements are true? (Choose three.)

  1. You can limit movement per VLAN rather than per port.

  2. You can send the offending MAC address to a quarantined VLAN.

  3. The switch can lockout the offending user#39;s Active Directory account.

  4. You can automatically send logs of the event.

  5. The switch can automatically shutdown a port.

Answer: A,D,E

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