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NEW QUESTION # 34
Which service does RADIUS provide?
Answer: A
Explanation:
RADIUS, which stands for Remote Authentication Dial-In User Service, provides authentication services for users trying to access a network. It is a networking protocol that provides centralized Authentication, Authorization, and Accounting (AAA) management for users who connect and use a network service.
NEW QUESTION # 35
Referring to the exhibit, which route will be selected for a packet destined to IP address
10.50.10.55?
Answer: A
Explanation:
In Junos OS, the Routing Information Base (RIB) selection process follows a strict hierarchy where the Longest Prefix Match (LPM) is the absolute primary tie-breaker. When a packet is destined for 10.50.10.55, the Routing Engine searches the inet.0 table for all matching entries. In this exhibit, four routes match: the default route (0.0.0.0/0), a general static route (10.0.0.0/8), an OSPF route (10.50.0.0/16), and a BGP route (10.50.10.0/24).
The LPM rule dictates that the router must select the most specific route available, which is defined as the entry with the highest number of matching bits in the subnet mask. The
10.50.10.0/24 route matches 24 bits of the destination address, making it more specific than the
16-bit, 8-bit, or 0-bit alternatives. It is critical to understand that route preference (e.g., Static at 5, OSPF at 10, or BGP at 170) is only evaluated if there are multiple paths to the exact same prefix and length. Because these prefixes vary in length, the length takes precedence over the protocol preference. Therefore, the BGP-learned route via 192.168.1.20 is selected as the active path, ensuring traffic follows the most granular routing information provided to the device.
NEW QUESTION # 36
According to HPE Juniper Networking, what are two recommended tasks you should perform before upgrading Junos OS on a device? (Choose two.)
Answer: A,D
Explanation:
Upgrading the Junos OS is a high-impact operation that requires thorough preparation to minimize risk and potential downtime. According to Juniper ' s best practices, one of the most critical preliminary steps is to verify that the device has sufficient available storage space. Using the show system storage command, an administrator can inspect the /var partition, which is the primary directory where software packages are temporarily stored and expanded during the installation process. If the storage is nearly full, the upgrade may fail midway, potentially leaving the device in an inconsistent state or requiring manual intervention via the boot loader.
The second mandatory task is to back up the active configuration . While Junos automatically maintains rollback files locally, these could be lost if the storage media fails or if a " clean install " (format install) becomes necessary. Having an external backup on a remote server or a local workstation ensures that the device ' s identity, policies, and interface settings can be restored quickly regardless of the upgrade outcome.
Other tasks, such as creating a rescue configuration or performing a file system cleanup, are also highly recommended to ensure the " last known good " state is preserved. Disabling interfaces is generally unnecessary as Junos manages the transition gracefully, and deleting rollbacks would counterproductively remove historical recovery points. Ensuring these two pillars-storage availability and off-box backups- provides the safest foundation for a successful software lifecycle management event.
Reference: Operational Monitoring and Maintenance, System Upgrades, Software Installation.
NEW QUESTION # 37
How are the Routing Engine and the Packet Forwarding Engine components connected?
Answer: C
Explanation:
The Routing Engine and Packet Forwarding Engine communicate over an internal Ethernet link, which is used to exchange control and forwarding information within the device.
NEW QUESTION # 38
Referring to the exhibit, which two actions will occur when a packet matches the firewall filter?
(Choose two.)
term limit-icmp { from {
source-address {
172.25.11.0/24;
}
protocol icmp;
}
then {
count count-icmp; discard;
}
}
Answer: B,C
Explanation:
Referring to the firewall filter configuration in the exhibit, when a packet matches the specified term limit-icmp, two actions are defined in the then statement: count count-icmp and discard. The count count-icmp action means that each time a packet matches this term, a counter named count-icmp will be incremented, providing a tally of how many packets have matched the term.
The discard action means that the packet will be dropped and not forwarded through the device.
This effectively prevents the packet from reaching its intended destination. There is no action specified that would cause an ICMP destination unreachable message to be returned, nor is there any action that would allow the packet to be forwarded.
NEW QUESTION # 39
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