Juniper JN0-348 Free Practice Questions

NEW QUESTION 1
Exhibit.



Referring to the exhibit, Router-1 and Router-2 are failing to form an IS-IS adjacency. What should you do to solve the problem?

• A. Remove the overloaded statement from Router-1.
• B. Change the IP subnet masks to match on the ge-0/0/2 interfaces of both routers.
• C. Remove the ISO address from ge-0/0/2 on Router-1.
• D. Change the ISO areas on the Io0 interfaces to match on both routers.

Answer: D

NEW QUESTION 2
Click the Exhibit button.

Referring to the exhibit, Router-1 is attempting to form an EBGP session with Router-2. However, BGP routes are never exchanged between Router-1 and Router-2.
What is causing the problem?

• A. The TCP-MSS value is set too low
• B. The EXT group is not configured as an external type BGP peering session
• C. The EBGP session is configured to use the wrong AS
• D. The keep all statement is preventing the session from establishing

Answer: B

NEW QUESTION 3
An EBGP session sources its TCP connection from which IP address?

• A. The IP address of the primary address assigned to the loopback interface.
• B. The IP address of the preferred address assigned to the loopback interface.
• C. The IP address of the interface that connects the two BGP speakers.
• D. The IP address assigned as the router ID.

Answer: C

NEW QUESTION 4
You have configured the route with an IS-IS metric of 2048. However, the IS-IS interface metric of 63 is being applied for the interface of this router.
What must you do to enable larger metric value?

• A. Enable wide metrics.
• B. Disable narrow metrics.
• C. Restart the IS-IS protocol.
• D. Enable level 1 IS-IS routing.

Answer: A

NEW QUESTION 5
Exhibit.

Your switches are managed using Junos Space Network Director. You want to secure the switches using a Network Director filter profile. A filter profile containing one term shown In the exhibit is deployed to ports on managed devices.
Which traffic will be accepted by the filter?

• A. Traffic containing a destination MAC of 02:85:05:00:00:00/24 will be accepted.
• B. All traffic will be accepted.
• C. Traffic containing a source MAC of 02:85:05:00:00:00/24 will be accepted.
• D. No traffic will be accepted.

Answer: C

NEW QUESTION 6
Which two statements describe NSR? (Choose two

• A. NSR provides high availability with multiple Routing Engines.
• B. NSR rapidly detects link failures.
• C. NSR provides routing loop protection.
• D. NSR requires GRES to function properly.

Answer: AD

NEW QUESTION 7
Which device is used to separate collision domains?

• A. Switch
• B. Router
• C. Hub
• D. firewall

Answer: A

NEW QUESTION 8
Which statement is true about IP-IP tunnels?

• A. Intermediate devices must have a route to the destination address of the traffic being tunneled.
• B. Intermediate devices must have a route to both the tunnel source address and the tunnel destination address.
• C. Intermediate devices must have a route to the tunnel destination address but do not require a route to the tunnel source address.
• D. Intermediate devices must have a route to the tunnel source address but do not require a route to the tunnel destination address

Answer: B

NEW QUESTION 9
Which two routers belong to the 172.16.0.0/22 aggregate route? (Choose two.)

• A. 172.16.4.0/24
• B. 172.16.0.0/24
• C. 172.16.5.0/24
• D. 172.16.3.0/24

Answer: BD

NEW QUESTION 10
Exhibit.

A number of reports from end users indicate that internal and external communications are intermittent and not reliable. You verified the status of the switch ports and have determined that they are up and operational. You also noticed a very high level of link bandwidth utilization on those same ports. The current topology of the affected environment is shown in the exhibit.
What would be the cause of the reported issues?

• A. A lack of port-based ACLs filtering the traffic flows.
• B. A malformed route-based ACL Improperly filtering traffic flows.
• C. A misconfigured interior gateway protocol (IGP).
• D. A lack of a loop-prevention mechanism or protocol.

Answer: D

NEW QUESTION 11
Exhibit.


Referring to the exhibit, why is the route for 10.5.5.5 hidden?

• A. It is an L3VPN route.
• B. The next hop cannot be resolved.
• C. It has an invalid community.
• D. It is a Martian route.

Answer: B

NEW QUESTION 12
Which two sequences correctly describe the processing order of firewall filters on an EX Series switch? (Choose two.)

• A. router filter > VLAN filter > port filter > transmit packet
• B. port filter > VLAN filter > router filter > transmit packet
• C. receive packet > port filter > VLAN filter > router filter
• D. receive packet > router filter > VLAN filter > port filter

Answer: BD

NEW QUESTION 13
Which two statements about DHCP snooping are correct? (Choose two.)

• A. DHCP snooping inspects all DHCP packets on untrusted ports.
• B. DHCP snooping uses ARP to add statically defined IP addresses to its database.
• C. The DHCP database maps IP addresse
• D. MAC addresses, and the associated VLAN.
• E. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.

Answer: AC

NEW QUESTION 14
What are two benefits of 802.3ad link aggregation? (Choose two)

• A. It increases bandwidth
• B. It ensures symmetrical paths
• C. It simplifies interface configuration.
• D. It creates physical layer redundancy.

Answer: AD

NEW QUESTION 15
Click the Exhibit button.

Referring to the exhibit, which two statements about BGP prefixes advertised by R1 to AS 65501 are true? (Choose two.)

• A. R1 will modify the originator ID attribute in prefixes advertised to AS 65501
• B. R1 will modify the AS path attribute in prefixes advertised to AS 65501
• C. R1 will modify the next-hop attribute in prefixes advertised to AS 65501
• D. R1 will modify the cluster list attribute in prefixes advertised to AS 65501

Answer: AC

NEW QUESTION 16
Exhibit.
***Exhibit is Missing***
Which two statements are correct. (Choose two.)

• A. Route 2001:2244:3311:321:233::.128 has been prepended.
• B. The active path to2001:2244:3311:321:233::.128 will exist using interface irb.433.
• C. Route 2001:2244:3311:321:233::.128 will be advertised to an EBGP peer in AS 62553.
• D. The AS path shows two hops to their IBGP routers within autonomous system 62553.

Answer: AD

NEW QUESTION 17
Which statement about configuring persistent MAC learning is correct?

• A. Persistent MAC learning can be configured on access mode interfaces.
• B. Persistent MAC learning flushes dynamically learned MAC addresses on reboots.
• C. Persistent MAC learning cannot be configured on redundant trunk groups.
• D. Persistent MAC learning requires 802.1 X authentication.

Answer: A

NEW QUESTION 18
Click the Exhibit button.

Referring to the output shown in the exhibit, which two statements are true?

• A. The route is active
• B. The route is not active
• C. The route is a generate route
• D. The route is an aggregate route

Answer: AC

NEW QUESTION 19
Exhibit.
****Exhibit is Missing****
Referring to the exhibit, all users connected to the same VLAN can communicate with each other, but not with users on other VLANs in this network.
What must be configured to enable communication between the VLANs?

• A. The switch ports to which the users are connected should be configured as trunk ports.
• B. A logical IRB interface must be created and assigned to each VLAN.
• C. A single logical IRB interface must be created and assigned to all three VLANs
• D. A separate routing device is required to forward traffic between the configured VLANs.

Answer: C

NEW QUESTION 20
Which two statements are true about high availability on Junos devices? (Choose two.)

• A. BFD is faster at detecting failures than default GRE or OSPF timers.
• B. NSR is independent of helper routers to assist the routing platform in restoring routing protocol information.
• C. NSR is dependent on helper routers to assist the routing platform in restoring routing protocol information.
• D. BFD is slower at detecting failures than default GRE or OSPF timers.

Answer: AB

NEW QUESTION 21
Which two characteristics are true for EBGP peerings? (Choose two.)

• A. EBGP peers must be directly connected.
• B. EBGP connects peer device in the same autonomous system.
• C. EBGP connect peer devices in two different autonomous systems.
• D. EBGP peers can be connected over a multihop connection.

Answer: CD

NEW QUESTION 22
What are two reasons for configuring more than one VLAN on a switch? (Choose two.)

• A. A group of clients requires that security be applied to traffic entering or exiting the group's devices
• B. A group of devices must forward traffic across a WAN.
• C. A group of devices are connected to the same Layer 3 network.
• D. A group of clients requires that the group's devices receive less broadcast traffic than they are currently receiving

Answer: AD

NEW QUESTION 23
Exhibit.

Which statement is true about the configuration shown in the exhibit?

• A. The preferred next hop is 172.30.25.5.
• B. The preference for the 172.30.25.5.1 next hop is 7.
• C. The preference for the 172.30.25.1 next hop is 5.
• D. 172.30.25.5.1 is the preference next hop.

Answer: A

NEW QUESTION 24
Click the Exhibit button.

Referring to the exhibit, which router becomes the OSPF DR when all routers are powered on at the same time?

• A. R3
• B. R4
• C. R1
• D. R2

Answer: D

NEW QUESTION 25
Which two port security features use the DHCP snooping database for additional port security? (Choose two.)

• A. dynamic ARP inspection
• B. MACsec
• C. IP Source guard
• D. MAC learning

Answer: AC

NEW QUESTION 26
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