Update Enterprise Routing And Switching - Specialist (JNCIS-ENT) JN0-348 Prep

NEW QUESTION 1
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 2
Exhibit. What is the problem?

• A. LAG requires more than two member links.
• B. Aggregated interface must be defined under the chassis stanza.
• C. The LAG member interfaces are configured across different line cards.
• D. LACP is required for LAG to work.

Answer: A

NEW QUESTION 3
Your network is configured with dynamic inspection (DAI) using the default for all the DHCP and ARP related configurations> You just added a new device connected to a trunk port and configured it to obtain an IP address using DHCP.
Which two statements are correct in this scenario? (Choose two.)

• A. The DHCP server assign the IP addressing information to the new device.
• B. DAI validates the ARP packets for the new device against the DHCP snooping database.
• C. The SRP request and response packets for the new device will bypass DAI.
• D. DHCP snooping adds the DHCP assigned IP address for the device to its database.

Answer: AD

NEW QUESTION 4
You have a conference room with an open network port that is used by employees to connect to the network. You are concerned about rogue switches being connected to this port
Which two features should you enable on your switch to limit access to this port? (Choose two.)

• A. DHCP snooping
• B. dynamic ARP inspection
• C. MAC limiting
• D. 802.1X

Answer: AB

NEW QUESTION 5
You configured a GRE that traverses a path using default MTU settings. You want to ensure that packets are not dropped or fragmented.
In this scenario. What is the maximum packet size that would traverse the GRE tunnel?

• A. 1500
• B. 1400
• C. 1524
• D. 1476

Answer: D

NEW QUESTION 6
Which statement is correct about 13 IS link state PDUs?

• A. They are used to maintain link slid.: database synchronization
• B. They are used to establish adjacencies
• C. They are used to build the link state database.
• D. They are used to determine whether the neighbors are Level 1 or Level 2

Answer: C

NEW QUESTION 7
What are two characteristics of OSPF ABRs? (Choose two.)

• A. ABRs transmit routing information between the backbone and other areas.
• B. ABRs cannot be part of the backbone and another area at the same time.
• C. ABRs inject information from outside the OSPF domain.
• D. ABRs link two OSPF areas

Answer: AD

NEW QUESTION 8
What are the three possible port states when using RSTP? (Choose two.)

• A. Forwarding
• B. Learning
• C. Discarding
• D. Listening
• E. Tagging

Answer: ABC

NEW QUESTION 9
When configuring firewall filters, which function does the interface-specific parameter enable on an EX Series switch?

• A. The interface-specific parameter is required to configure port-specific counters.
• B. The interface-specific parameter is required to configure VLAN-specific counters.
• C. The interface-specific parameter is required to configured VLAN-based filters.
• D. The interface-specific parameter is required to configured port-based firewall filters.

Answer: A

NEW QUESTION 10
Exhibit.
family iso {
address 49.0001.1921.6800.1001.00;
}
Which statement is correct about the ISO NET address shown in the exhibit?

• A. The authority and format identifier (AFI) is 00.
• B. The area identifier is 0001.
• C. The system identifier is 6800.1001.00.
• D. This is not a valid NET address.

Answer: B

NEW QUESTION 11
Click the Exhibit button.

Given the route shown in the exhibit, which two prefixes contribute to the aggregate route? (Choose two.)

• A. 172.12.31.0/24
• B. 172.12.33.0/24
• C. 172.12.30.0/24
• D. 172.12.32.0/24

Answer: AC

NEW QUESTION 12
Exhibit.

Based on the traceoptions output shown in the exhibit, what is the problem with the adjacency?

• A. authentication mismatch
• B. area mismatch
• C. connectivity
• D. MTU mismatch

Answer: B

NEW QUESTION 13
In which two STP states is a port active and a MAC address learned? (Choose two.)

• A. Blocking
• B. Forwarding
• C. Disabled
• D. Learning

Answer: BD

NEW QUESTION 14
Which two OSPF header fields must match to form an adjacency over a broadcast connection? (Choose two.)

• A. Router priority
• B. Options
• C. Hello interval
• D. neighbor

Answer: BC

NEW QUESTION 15
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 16
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 17
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 18
When electing a DIS in an IS-IS network, what is used to break a priority tie?

• A. highest router ID
• B. highest MAC address
• C. lowest MAC address
• D. lowest router ID

Answer: B

NEW QUESTION 19
Which statement is true when using LAGs with an EX4300?

• A. Speeds on member links can differ.
• B. Member links must be contiguous.
• C. Half duplex is supported on the LAG.
• D. You can have up to 16 member links per LAG.

Answer: D

NEW QUESTION 20
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 21
What is the default BGP group type on a Junos device?

• A. Internal
• B. External
• C. Multihop
• D. null

Answer: B

NEW QUESTION 22
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