QUESTION: 57

What is an OSPF transit network?

a network that uses tunnels to connect two areas
a special network that connects two different areas
a network on which a router discovers at least one neighbor
a network that connects to a different routing protocol

Answer(s): A

Explanation:

An OSPF transit network is a network that has at least two routers that are connected by a multi- access link and can forward traffic for other networks. A transit network is different from a stub network, which has only one router connected to it and does not forward traffic for other networks. A transit network is also different from a virtual link, which is a logical connection between two areas that are not physically adjacent. A transit network is not necessarily connected to a different routing protocol, although it can be if the router performs redistribution. Therefore, the correct answer is C. A network on which a router discovers at least one neighbor.

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QUESTION: 58

Describe the difference between Class of Service (CoS) and Differentiated Services Code Point (DSCP).

CoS has much finer granularity than DSCP
CoS is only contained in VLAN Tag fields DSCP is in the IP Header and preserved throughout the IP packet flow
They are similar and can be used interchangeably.
CoS is only used to determine CLASS of traffic DSCP is only used to differentiate between different Classes.

Answer(s): B

Explanation:

CoS and DSCP are both methods of marking packets for quality of service (QoS) purposes. QoS is a mechanism that allows network devices to prioritize and differentiate traffic based on certain criteria, such as application type, source, destination, etc. CoS stands for Class of Service and is a 3- bit field in the 802.1Q VLAN tag header. CoS can only be used on Ethernet frames that have a VLAN tag, and it can only be preserved within a single VLAN domain. DSCP stands for Differentiated Services Code Point and is a 6-bit field in the IP header. DSCP can be used on any IP packet, regardless of the underlying layer 2 technology, and it can be preserved throughout the IP packet flow, unless it is modified by intermediate devices.

Reference:

https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/qos/configuration/15-mt/qos-15-mt-book/qos- overview.html https://www.cisco.com/c/en/us/support/docs/lan-switching/8021q/17056-741- 4.html https://www.cisco.com/c/en/us/support/docs/quality-of-service-qos/qos-packet- marking/10103-dscpvalues.html

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QUESTION: 59

A network administrator is troubleshooting some issues guest users are having when connecting and authenticating to the network The access switches are AOS-CX switches.
What command should the administrator use to examine information on which role the guest user has been assigned?

show aaa authentication port-access interface all client-status
show port-access captiveportal profile
show port-access role
diag-dump captiveportal client verbose

Answer(s): A

Explanation:

The show aaa authentication port-access interface all client-status command displays the status of all clients authenticated by port-based access control on all interfaces. The output includes the MAC address, user role, VLAN ID, and session timeout for each client. This command can be used to examine information on which role the guest user has been assigned by the AOS-CX switch.

Reference:

https://techhub.hpe.com/eginfolib/Aruba/OS-CX_10.04/5200-6692/GUID-9B8F6E8F- 9C7A-4F0D-AE7B-9D8E6C5B6A7F.html

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QUESTION: 60

Using Aruba best practices what should be enabled for visitor networks where encryption is needed but authentication is not required?

Wi-Fi Protected Access 3 Enterprise
Opportunistic Wireless Encryption
Wired Equivalent Privacy
Open Network Access

Answer(s): B

Explanation:

Opportunistic Wireless Encryption (OWE) is a feature that provides encryption for open wireless networks without requiring authentication. OWE uses an enhanced version of the 4-way handshake to establish a pairwise key between the client and the AP, which is then used to encrypt the wireless traffic using WPA2 or WPA3 protocols. OWE can be used for visitor networks where encryption is needed but authentication is not required.

Reference:

https://www.arubanetworks.com/assets/tg/TG_OWE.pdf

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Free HPE7-A01 Exam Braindumps (page: 15)

QUESTION: 57

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QUESTION: 58

Explanation:

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QUESTION: 59

Explanation:

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QUESTION: 60

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