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NEW QUESTION # 30
You have an IPv4 multicast network configured as PIM-SM.
What must be done before replacing your static RP with auto-RP?
Enable sparse-dense mode on each of the routers in the network.
- A. Configure auto-RP domains on each router in the network.
- B. Enable each router in the network to forward multicast packets.
- C. Configure each router in the network as a candidate BSR.
Answer: A
NEW QUESTION # 31
Referring to the configuration in the exhibit, which statement is true?
- A. Subnets within 192.168.16.0/20 will not be advertised into Area 0.
- B. Subnets within 192.168.16.0/20 will be summarized into a single advertisement in Area 0.
- C. Subnets within 192.168.16.0/20 will not be advertised into Area 1.
- D. Subnets within 192.168.16.0/20 will be summarized into a single advertisement in Area 1.
Answer: B
NEW QUESTION # 32
When configuring an EBGP session that peers with the loopback address of a neighbor, which two statements are true? (Choose two.)
- A. You must configure multihop in the bgp session.
- B. You must have a route to the peer loopback IP address.
- C. You must configure multi-path in the BGP session.
- D. You must configure your loopback as the local-address.
Answer: A,B
NEW QUESTION # 33
You have configured a EX Series switch as an access switch. The switch uses 802.1x for access control. The switch uses LLDP-MED to assign network configuration information to VoIP phone devices.
Which statement is true?
- A. LLDP-MED information bypasses the 802.1x authentication process.
- B. LLDP-MED acts as a supplicant for the 802.1x authentication process.
- C. LLDP-MED information is exchanged after 802.1x authentication.
- D. LLDP-MED information is exchanged before 802.1x authentication.
Answer: D
NEW QUESTION # 34
Which two statements are correct about a functional ESI LAG interface? (Choose two.)
- A. The LACP system ID must be the same.
- B. The LACP system ID must be different.
- C. The ESI values must be the same.
- D. The ESI values must be different.
Answer: A,C
NEW QUESTION # 35
Referring to the configuration shown in the exhibit, how many of the routes received from 10.0.0.2 will be active in the routing table?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 36
You run a multivendor switching environment where you have configured VSTP. You have 450 VLANs and notice that some of your VLANs do not function properly. How should you change the configuration to get all
450 VLANs working?
- A. Set the VLAN max-age to 3600 or more.
- B. Increase the bridge priority on all VLANs to at least 16k.
- C. Include the force-version stp; statement in your configuration
- D. Enable RSTP to handle additional VLANs.
Answer: D
Explanation:
VSTP (VLAN Spanning Tree Protocol) is Juniper ' s implementation that provides a separate spanning tree instance for each VLAN, ensuring compatibility with Cisco ' s PVST+. However, it has significant scaling limitations:
Instance Limits: On many Juniper EX and QFX series switches, VSTP is restricted to a maximum of 253 or
510 VLAN instances depending on the software version (ELS vs. non-ELS). In your scenario, having 450 VLANs exceeds the standard 253-instance limit found on many platforms.
The Solution (Option B): When the number of VLANs exceeds the VSTP capacity, the recommended best practice is to enable RSTP (Rapid Spanning Tree Protocol). Unlike VSTP, RSTP runs a single spanning tree instance for the entire switch, regardless of how many VLANs are configured. This ensures that all 450 VLANs are protected from loops without hitting the hardware ' s instance-count limit.
Other Options: Option A (force-version) only affects the BPDU format for compatibility but doesn ' t solve the instance limit. Option C and Option D are parameter tuning actions that do not address the architectural limitation of the number of running instances.
NEW QUESTION # 37
Which of the following is an application of MSDP in a multicast network?
- A. To allow the advertisement of multicast sources between AS boundaries.
- B. To reduce the size of the multicast routing table.
- C. To encrypt multicast traffic between the sender and receivers.
- D. To manage PIM-SM state information more effectively.
Answer: A
NEW QUESTION # 38
You are securing Web access in the network by using captive portal.
Which two statements are true? (Choose two.)
- A. A local database can be configured for authentication.
- B. A RADIUS server is required for authentication.
- C. Both HTTP and HTTPS are supported for captive portal.
- D. Only HTTPS is supported for captive portal
Answer: A,C
NEW QUESTION # 39
You are asked to establish full connectivity between all devices in the BGP network.
Referring to the exhibit, which two configuration changes will allow BGP route advertisements? (Choose two.)
- A. On R2, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
- B. On R1 and R3, include the loops 2 statement at the [edit protocols bgp family inet unicast] hierarchy.
- C. On R2, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
- D. On R1 and R3, include the advertise-peer-as statement at the [edit protocols bgp group external] hierarchy.
Answer: B,C
NEW QUESTION # 40
How is the Rendezvous Point (RP) used in multicast networking? (Choose two)
- A. As the initial contact point for sources wishing to send to a multicast group
- B. As the exclusive receiver of multicast traffic in a network
- C. To facilitate the creation of a shared distribution tree
- D. To act as a central database for all multicast group memberships
Answer: A,C
NEW QUESTION # 41
A BGP network has been designed to provide resiliency and redundancy to a multihomed customer network.
Which two statements are correct in this scenario? (Choose two.)
- A. The ttl statement must be configured to accommodate peering to a loopback address of a directly connected peer.
- B. Both the next hops will be used to forward traffic to R2.
- C. A routing policy will be required to forward traffic to both next hops.
- D. The TTL value of 1 is set to limit the scope of the EBGP session.
Answer: A,C
NEW QUESTION # 42
You want to view the VLANs that have been created dynamically using MVRP.
Which operational mode command will display this information?
- A. show mvrp dynamic-vlan memberships
- B. show mvrp registration-state
- C. show mvrp applicant-state
- D. show mvrp interface
Answer: A
NEW QUESTION # 43
In Junos, which configuration statement is correct for defining a BGP group that includes IPv6 addresses?
- A. set protocols bgp group GROUP_NAME family inet6 anycast
- B. set protocols bgp group GROUP_NAME family inet6 multicast
- C. set protocols bgp group GROUP_NAME family inet6 unicast
- D. set protocols bgp group GROUP_NAME family inet unicast
Answer: C
NEW QUESTION # 44
Which BGP message type contains NLRI information?
- A. update
- B. notification
- C. open
- D. keepalive
Answer: A
NEW QUESTION # 45
You are configuring MVRP for automatic VLAN registration.
Which two statements are true? (Choose two.)
- A. MVRP must be configured on all access ports
- B. the trunk port must be configured with "vlan all"
- C. the trunk port must not be configured with vlan members
- D. MVRP must be configured on all trunk ports
Answer: C,D
NEW QUESTION # 46
You have deployed a Juniper Networks device in the network, and you have used the default class-of-service settings.
Which two statements are true? (Choose two.)
- A. Queue 3 will be used to forward traffic.
- B. Queue 2 will be used to forward traffic.
- C. Queue 0 will be used to forward traffic.
- D. Queue 1 will be used to forward traffic.
Answer: A,C
NEW QUESTION # 47
When using wide metrics, which two statements about route advertisement between IS-IS levels are correct? (Choose two.)
- A. Level 1 and Level 2 routers do not advertise Level 2 routes into the Level 1 area by default.
- B. Level 1 routes advertised as external routes into Level 1 are not advertised to any Level 2 routers by default.
- C. Level 1 routes are advertised to Level 2 routers by default.
- D. If wide-metrics-only is configured, Level 1 routes are not advertised to Level 2 routers by default.
Answer: A,D
NEW QUESTION # 48
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