[Nov 22, 2021] Fully Updated Dumps PDF - Latest JN0-349 Exam Questions and Answers
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NEW QUESTION 41
You want to use filter-based forwarding (FBF) to forward traffic sourced from subnet 10.0.0.0/24 to a specific destination.
Which two routing instance types would enable you to accomplish this task? (Choose two.)
- A. virtual routing and forwarding
- B. virtual switch
- C. virtual router
- D. forwarding
Answer: C,D
NEW QUESTION 42
Click the Exhibit button.
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. A separate routing device is required to forward traffic between the configured VLANs.
- B. A logical IRB interface must be created and assigned to each VLAN.
- C. The switch ports to which the users are connected should be configured as trunk ports.
- D. A single logical IRB interface must be created and assigned to all three VLANs.
Answer: B
NEW QUESTION 43
Which protocol prevents loops and calculates the best path through a switched network that contains redundant paths?
- A. DHCP
- B. IS-IS
- C. VRRP
- D. STP
Answer: D
NEW QUESTION 44
Click the Exhibit button.
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 source MAC of 02:85:05:00:00:00/24 will be accepted.
- B. All traffic will be accepted.
- C. Traffic containing a destination MAC of 02:85:05:00:00:00/24 will be accepted.
- D. No traffic will be accepted.
Answer: A
NEW QUESTION 45
Which two situations would cause dynamic ARP inspection to drop traffic? (Choose two.)
- A. if the IP address in the ARP packet is deemed invalid
- B. if no IP-to-MAC address entry exists in the DHCP snooping database
- C. if the requested MAC address exceeds the configured limit on the port
- D. if the ARP packet comes from a port that has been configured as trusted
Answer: A,B
NEW QUESTION 46
Click the Exhibit button.
Referring to the exhibit, which policy will export routes to IBGP peers?
- A. static-1
- B. static-4
- C. static-3
- D. static-2
Answer: B
NEW QUESTION 47
Click the Exhibit button.
Referring to the output shown in the exhibit, which two statements are true?
- A. The route is a generate route
- B. The route is active
- C. The route is not active
- D. The route is an aggregate route
Answer: A,B
NEW QUESTION 48
Which area is reserved for the OSPF backbone?
- A. Area 0.0.0.0
- B. Area 1.1.1.1
- C. Area 3.3.3.3
- D. Area 2.2.2.2
Answer: A
NEW QUESTION 49
Which device is used to separate collision domains?
- A. switch
- B. hub
- C. router
- D. firewall
Answer: A
NEW QUESTION 50
Which mechanism is used to share routes between routing tables?
- A. filter-based forwarding
- B. RIB groups
- C. forwarding instances
- D. routing instances
Answer: B
NEW QUESTION 51
What are two characteristics of IS-IS CSNPs? (Choose two.)
- A. IS-IS CSNPs are used to request a copy of a missing link state PDU.
- B. IS-IS CSNPs are used to maintain the link-state database synchronization.
- C. IS-IS CSNPs contain header information for specific requested link-state PDUs.
- D. IS-IS CSNPs contain header information for all link-state PDUs.
Answer: B,D
NEW QUESTION 52
Which two routes belong to the 172.16.0.0/22 aggregate route? (Choose two.)
- A. 172.16.0.0/24
- B. 172.16.4.0/24
- C. 172.16.5.0/24
- D. 172.16.3.0/24
Answer: A,D
NEW QUESTION 53
Click the Exhibit button.
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 misconfigured interior gateway protocol (IGP).
- B. A lack of port-based ACLs filtering the traffic flows.
- C. A lack of a loop-prevention mechanism or protocol.
- D. A malformed route-based ACL improperly filtering traffic flows.
Answer: C
NEW QUESTION 54
Which two statements about DHCP snooping are correct? (Choose two.)
- A. DHCP snooping inspects all DHCP packets on untrusted ports.
- B. The DHCP database maps IP addresses, MAC addresses, and the associated VLAN.
- C. By default, the Junos OS treats access ports as trusted and trunk ports as untrusted.
- D. DHCP snooping uses ARP to add statically defined IP addresses to its database.
Answer: A,B
NEW QUESTION 55
Click the Exhibit button.
You manage the Layer 2 network shown in the exhibit. You experience a failure on the ge-0/0/0 link between Switch-1 and Switch-2.
Which statement is correct about the expected behavior?
- A. Switch-2's ge-0/0/2 port role and state will transition to root and forwarding
- B. Switch-2 will remove itself from the RSTP topology
- C. Switch-2's ge-0/0/2 port role and state will remain as designated and forwarding
- D. Switch-2 will become the root bridge for a separate RSTP topology
Answer: A
NEW QUESTION 56
Click the Exhibit button.
You have configured OSPF routing as shown in the exhibit. You notice that all interfaces have formed full adjacencies, with the exception of the interfaces connecting R3 and R4 with a status of 2Way.
What is the reason for this status?
- A. The interface-typeis not configured as p2p.
- B. The two routers must be configured in different areas.
- C. The two routers must both be configured as DR routers.
- D. DROther routers will not form a full adjacency with each other.
Answer: D
NEW QUESTION 57
You want to advertise only a default route into a new area, which will be called area 7.
In this scenario, which configuration statement would solve this problem?
- A. user@host# set protocols ospf area 0.0.0.7 stub default-metric 10
- B. user@host# set protocols ospf area 0.0.0.7 stub no-summaries
- C. user@host# set protocols ospf area 0.0.0.7 nssa default-lsa default-metric10
- D. user@host# set protocols ospf area 0.0.0.7 stub
Answer: C
NEW QUESTION 58
Which statement is true about Layer 2 firewall filters on EX Series switches?
- A. They are stateful and evaluated by the forwarding plane.
- B. They are stateless and evaluated by the control plane.
- C. They are stateless and evaluated by the forwarding plane.
- D. They are stateful and evaluated by the control plane.
Answer: C
NEW QUESTION 59
Click the Exhibit button.
Referring to the exhibit, what do the asterisks (*) indicate?
- A. The entries are stale
- B. The router originated the entries
- C. The router received the entries
- D. The entries are new
Answer: B
NEW QUESTION 60
Click the Exhibit button.
Referring to the output shown in the exhibit, which statement is correct?
- A. 11.0.0.102/32 is being per-flow load-balanced
- B. 11.0.0.108/32 is being per-flow load-balanced
- C. 11.0.0.108/32 is being per-packet load-balanced
- D. 11.0.0.102/32 is being per-packet load-balanced
Answer: C
NEW QUESTION 61
Which static route next-hop value indicates that the packet will be silently dropped?
- A. discard
- B. next-table
- C. resolve
- D. reject
Answer: A
NEW QUESTION 62
Click the Exhibit button.
Based on the output shown in the exhibit, which statement is correct?
- A. The ge-0/0/9 interface is using the default interface priority value.
- B. This switch has a bridge priority of 8k.
- C. This switch is currently blocking all traffic.
- D. The ge-0/0/15 interface is using the default port cost.
Answer: B
NEW QUESTION 63
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 keep allstatement is preventing the session from establishing
- B. The EBGP session is configured to use the wrong AS
- C. The TCP-MSS value is set too low
- D. The EXT group is not configured as an external type BGP peering session
Answer: D
NEW QUESTION 64
Which two port security features use the DHCP snooping database for additional port security? (Choose two.)
- A. IP Source Guard
- B. MAC learning
- C. dynamic ARP inspection
- D. MACsec
Answer: A,C
NEW QUESTION 65
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