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A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?
Based on the MSTP configuration shown, the role of the switch in MSTI 1 cannot be determined without additional details about the topology or priority values of other switches in the instance. The role could be a root switch, secondary root, or non-root, depending on these factors .
Which of the following attribute must be carried in an Update message?
In BGP, the AS-Path attribute is mandatory and must be included in all UPDATE messages. It records the autonomous systems a route has traversed. Attributes like Local-Preference, MED, and Prefval are optional and may not always be included. The AS-Path is crucial for loop prevention and route selection .
As shown in the figure, SWA, SWB, and SWC run the Rapid Spanning Tree Protocol (RSTP). What are the roles of SWB's GE0/0/2 and SWC's GE0/0/1?
In the topology, SWB's GE0/0/2 is the Root Port because it has the least cost path to the Root Bridge (SWA). SWC's GE0/0/1 is the Designated Port because it forwards traffic to SWA while maintaining the shortest path to the Root Bridge. This setup ensures efficient traffic flow in the spanning tree topology .
ON a stateful inspection Firewall where there is no session table, when the status detection mechanism is enabled and the second packet (CYN+ACK) of 3-way hadshakes reaches the firewall. Which of the following statements is true?
In a stateful inspection firewall, if the status detection mechanism is enabled, it tracks and validates the state of connections using the session table. If there is no session table and a SYN+ACK packet reaches the firewall, it checks the security policy. If the policy explicitly permits the packet, it will pass through the firewall, but no session table will be created without the initial SYN packet. The other options are either incorrect or misrepresent the behavior of stateful inspection .
On a WLAN, the HSB service sets up an HSB channel between two devices that back up each other, maintains the channel status, and backs up dat
a. Which of the following can HSB back up in real time?
Comprehensive and Detailed Step-by-Step
HSB (Hot Standby Backup) Service:
HSB is used on WLAN controllers to back up critical information in real time to a backup device, ensuring service continuity in case of failures.
Backed-Up Information:
CAPWAP Tunnel Information (A): Essential for maintaining connections between APs and controllers.
AP Entries (C): Information about connected APs is backed up.
User Data Information (D): Includes client authentication and session details.
Incorrect Option:
DHCP Address Information (B): Not part of HSB's responsibilities, as DHCP is handled separately.
HCIA-Datacom Study Guide, Chapter: WLAN Redundancy with HSB
