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| Section | Weight | Objectives |
|---|---|---|
| Describe Wireless Networking Fundamentals | 20% | - Wireless LAN concepts
|
| Describe Aruba Management Solutions | 15% | - Network management platforms
|
| Describe Network Fundamentals | 15% | - OSI model and TCP/IP fundamentals
|
| Describe Aruba Switching Solutions | 25% | - Aruba CX switching features
|
| Describe Network Security Fundamentals | 15% | - Basic security concepts
|
| Troubleshooting and Maintenance | 10% | - Basic troubleshooting methodology
|
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NEW QUESTION # 65
Match each AAA service with its correct definition (Matches may be used more than once or not at all)
Answer:
Explanation:
Explanation
AAA Authentication, Authorization, and Accounting (AAA) Authentication, Authorization, and Accounting (AAA) is a framework that provides security services for network access control . AAA consists of three components:
Authentication: The process of verifying the identity of a user or device that wants to access the network based on credentials such as username and password , certificates , tokens , etc . Authentication can use different protocols such as PAP , CHAP , EAP , RADIUS , TACACS+ , etc .
Authorization: The process of granting or denying access to network resources based on the identity and privileges of a user or device . Authorization can use different methods such as ACLs , RBAC , MAC , DAC , etc .
Accounting: The process of recording and reporting the activities and usage of network resources by users or devices . Accounting can use different formats such as syslog , SNMP , NetFlow , etc .
service. Here is my answer:
The correct match for each AAA service with its definition is:
Accounting: C. Tracking user activity on the network
Authentication: D. Who can access the network based on credentials/certificates Authorization: B. Control users access on the network The other options are not correct matches because:
A list of rules that specifies which entities are permitted or denied access: This option is a definition of an access control list (ACL) Access Control List (ACL) Access Control List (ACL) is a list of rules that specifies which entities are permitted or denied access to a network resource such as a router , switch , firewall , server , etc . ACLs can be based on different criteria such as source and destination IP addresses , port numbers , protocol types , time of day , etc . ACLs can be applied to different interfaces or directions such as inbound or outbound . ACLs can be verified by using commands such as show access-lists , show ip access-lists , debug ip packet , etc . , not an AAA service.
Who can access the network based on credentials/certificates: This option is a definition of authentication, not authorization. Authorization is the process of granting or denying access to network resources based on the identity and privileges of a user or device, not based on credentials/certificates.
References: https://en.wikipedia.org/wiki/AAA_(computer_security)
https://www.cisco.com/c/en/us/support/docs/security-vpn/remote-authentication-dial-user-service-radius/13838-1
NEW QUESTION # 66
Which feature can network administrators use to centralized RF planning and optimization service when using an Aruba mobility master architecture?
Answer: C
Explanation:
AirMatch is a feature that provides centralized RF planning and optimization service for Aruba wireless networks. It uses cloud-based algorithms and machine learning to optimize the RF performance and user experience.References:https://www.arubanetworks.com/assets/ds/DS_AirMatch.pdf In Aruba networks, the recommended Virtual Switching Framework (VSF) topologies include the daisy chain plus Multi-Active Detection (MAD) and the ring topology. The daisy chain topology with MAD provides a straightforward and effective way to connect multiple switches in a series while ensuring there is a mechanism in place (MAD) to detect and handle situations where more than one switch in the VSF might become active simultaneously. The ring topology offers redundancy by creating a looped connection pattern among the VSF members, enhancing network resilience and reliability.
NEW QUESTION # 67
You have been asked to troubleshoot failed connectivity between a local subnet in the HQ Office and a remote subnet in the Branch Office. PC1 is unable to ping PC2.
Use the provided topology and show command output to identify the reason for the failure:
Answer: B
Explanation:
Using the provided topology and show command output, it can be determined that L3-SW-2 in the Branch Office does not have a route to reach the subnet where PC1 resides (192.168.1.0/24 in the HQ Office). L3- SW-1 in the HQ Office has a route to the Branch Office subnet (172.16.1.0/24), but without the reciprocal route on L3-SW-2, traffic from the Branch Office will not be able to reach the HQ Office subnet, hence PC1 cannot ping PC2.
NEW QUESTION # 68
Which flew in a Layer 3 IPv4 packet header is used to mitigate Layer 3 route loops?
Answer: B
Explanation:
Explanation
The field in a Layer 3 IPv4 packet header that is used to mitigate Layer 3 route loops is Time To Live (TTL).
TTL is an 8-bit field that indicates the maximum number of hops that a packet can traverse before being discarded. TTL is set by the source device and decremented by one by each router that forwards the packet. If TTL reaches zero, the packet is dropped and an ICMP Internet Control Message Protocol (ICMP) Internet Control Message Protocol (ICMP) is a network protocol that provides error reporting and diagnostic functions for IP networks. ICMP is used to send messages such as echo requests and replies (ping), destination unreachable, time exceeded, parameter problem, source quench, redirect, etc. ICMP messages are encapsulated in IP datagrams and have a specific format that contains fields such as type, code, checksum, identifier, sequence number, data, etc. ICMP messages can be verified by using commands such as ping , traceroute , debug ip icmp , etc . message is sent back to the source device. TTL is used to mitigate Layer 3 route loops because it prevents packets from circulating indefinitely in a looped network topology. TTL also helps to conserve network resources and avoid congestion caused by looped packets.
The other options are not fields in a Layer 3 IPv4 packet header because:
Checksum: Checksum is a 16-bit field that is used to verify the integrity of the IP header. Checksum is calculated by the source device and verified by the destination device based on the values of all fields in the IP header. Checksum does not mitigate Layer 3 route loops because it does not limit the number of hops that a packet can traverse.
Protocol: Protocol is an 8-bit field that indicates the type of payload carried by the IP datagram. Protocol identifies the upper-layer protocol that uses IP for data transmission, such as TCP Transmission Control Protocol (TCP) Transmission Control Protocol (TCP) is a connection-oriented transport layer protocol that provides reliable, ordered, and error-checked delivery of data between applications on different devices . TCP uses a three-way handshake to establish a connection between two endpoints , and uses sequence numbers , acknowledgments , and windowing to ensure data delivery and flow control . TCP also uses mechanisms such as retransmission , congestion avoidance , and fast recovery to handle packet loss and congestion . TCP segments data into smaller units called segments , which are encapsulated in IP datagrams and have a specific format that contains fields such as source port , destination port , sequence number , acknowledgment number , header length , flags , window size , checksum , urgent pointer , options , data , etc . TCP segments can be verified by using commands such as telnet , ftp , ssh , debug ip tcp transactions , etc . , UDP User Datagram Protocol (UDP) User Datagram Protocol (UDP) is a connectionless transport layer protocol that provides
NEW QUESTION # 69
Switch A is configured with priority 80 and an IP address of 10.10.10.2/24. Switch B is configured with priority 80 and an IP address of 10.10.10.3/24. Both Switches are configured with VRRP and VID of 10.10.10.1. Which switch will become the master in a normal operation?
Answer: B
Explanation:
When VRRP routers have the same priority, the router with the higher real interface IP address becomes the master. Since Switch B has the higher IP address, it becomes the VRRP master during normal operation.
NEW QUESTION # 70
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