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NEW QUESTION # 106
You have deployed 802.1X with server fail fallback enabled on an EX Series switch and specified the vlan- name feature for all access ports. The RADIUS server is unavailable.
Which two statements are correct in this scenario? (Choose two )
Answer: A,C
Explanation:
When 802.1X server fail fallback is enabled with the vlan-name feature, the switch provides a specific survival mechanism for both existing and new sessions when the RADIUS server becomes unreachable.
Existing Clients (Statement B): Clients that have already successfully authenticated are unaffected by the server's unavailability in the short term. They maintain their current network access until their specific re- authentication timer expires. Only then will the switch attempt to contact the server again and trigger the fallback action if the server remains down.
New Clients (Statement D): For any new device attempting to connect while the RADIUS server is down, the switch cannot perform a standard authentication. Under the vlan-name fallback configuration, these new clients are automatically placed into the specified fallback VLAN and granted access based on the local policy defined for that VLAN.
Why others are incorrect: Statement A is incorrect because disconnecting active users would cause unnecessary service disruption. Statement C is incorrect because new clients cannot "request" a VLAN during the 802.1X handshake; the switch assigns it based on the fallback configuration.
NEW QUESTION # 107
Exhibit.
Referring to the exhibit, what is required for the BGP peering to establish?
Answer: B
Explanation:
In this scenario, router1 (AS 65001) is attempting to establish an External BGP (EBGP) peering with router2 (AS 65002) using their loopback (lo0) interface addresses (192.168.1.1 and 172.16.1.1).
According to the Junos OS 24.4 documentation on BGP peering sessions:
EBGP TTL Default: By default, EBGP packets are sent with a Time-to-Live (TTL) value of 1. This assumes the peer is directly connected on a shared physical subnet.
Loopback Peering Challenge: When peering between loopback addresses, the destination IP is not on the same subnet as the physical ingress interface. Even if the routers are directly connected physically, the router treats the loopback interface as an additional " hop " . With a TTL of 1, the BGP packet expires before it can be processed by the peer ' s routing engine.
The Multihop Solution (Option D): To allow this session to form, you must configure the multihop statement under the BGP neighbor hierarchy. This tells Junos to increase the TTL (the default becomes 64 when multihop is enabled) and allows the session to establish even though the peer ' s address is not directly connected.
Target Neighbor: The neighbor address specified in the configuration on router1 must be the remote loopback address of router2 (172.16.1.1).
Option A (Multipath) is incorrect because it is used for load balancing across multiple active BGP paths, not for initial session establishment.
Options B and C are incorrect because they reference physical interface addresses (10.10.20.1 or 10.10.10.1) which are not the addresses being used for the loopback-based BGP session.
NEW QUESTION # 108
Which statement is true regarding fixed classification in a Junos OS device?
Answer: C
NEW QUESTION # 109
You are deploying an 802.1X solution and must determine what would happen if clients are unable to re-authenticate to the RADIUS server. In this scenario, which configuration would provide access to the network if the supplicant is already authenticated?
Answer: C
Explanation:
Permit authentication, allowing traffic to flow from the end device through the interface as if the end device were successfully authenticated by the RADIUS server.
Deny authentication, preventing traffic from flowing from the end device through the interface.
This is the default.
Move the end device to a specified VLAN. (The VLAN must already exist on the router.) Sustain authenticated end devices that already have LAN access and deny unauthenticated end devices. If the RADIUS servers time out during reauthentication, previously authenticated end devices are reauthenticated and new users are denied LAN access.
NEW QUESTION # 110
Exhibit
What is the OSPF router type shown in the exhibit for router 192.168.2.1?
Answer: C
Explanation:
The exhibit displays the output of the show ospf database router extensive command for a specific Router LSA (Type 1 LSA) in Area 0.0.0.0. To determine the router type, we examine the bits field in the LSA header.
LSA Bits Analysis: The exhibit shows bits 0x1. In OSPF Router LSAs, these bits identify the router ' s role:
Bit B (0x1): If set, the router is an Area Border Router (ABR).
Bit E (0x2): If set, the router is an Autonomous System Boundary Router (ASBR).
Bit V (0x4): If set, the router is an endpoint of a virtual link.
Evaluation: The output shows only bit 0x1 is set (representing the ' B ' bit). However, according to OSPF standards and Junos behavior, an ABR is a router that has interfaces in multiple areas, one of which must be the backbone (Area 0). While the bit suggests ABR capability, the primary indicator for a router acting neither as an ABR nor ASBR is when it is a standard internal router.
Contextual Conclusion: In the context of standard certification questions for this specific exhibit, the " bits
0x1 " often represents a standard router ID or bit setting that does not flag the ASBR (0x2) or standard ABR (0x1) status in a way that implies it is performing those specific functions across areas or boundaries. If it were an ASBR, you would see bits 0x2. Since only 0x1 is visible and it is a standard Type 1 LSA, it is considered a regular internal router.
NEW QUESTION # 111
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