Cisco 100-150 Exam Dumps

* 1000BASE-T Cable: This refers to Gigabit Ethernet over twisted-pair cables (Cat 5e or higher).

* Connector: RJ-45 connectors are used for Ethernet cables, including those used for 1000BASE-T.

* Coax: Used for cable TV and older Ethernet standards like 10BASE2.

* RJ-11: Used for telephone connections.

* OS2 LC: Used for fiber optic connections.

* Ethernet Standards and Cables: Ethernet Cable Guide

The AAA service security model consists of three components: Authentication, Authorization, and Accounting.

* Authentication: This is the process of verifying the identity of a user or device. It ensures that only legitimate users can access the network or service.

* Authorization: This determines what an authenticated user is allowed to do or access within the network.

* Auditing/Accounting: This component tracks the actions of the user, including what resources they access and what changes they make.

Thus, the correct answer is C. Authentication.

* Cisco AAA Overview

* Understanding AAA (Authentication, Authorization, and Accounting)

When prioritizing trouble tickets, the most critical issues affecting business operations or high-impact activities should be addressed first. Here's a breakdown of the tickets:

Ticket 1: Relocation of a printer, while necessary, is not urgent and does not impact critical operations.

Ticket 2: An ongoing webinar losing internet access is critical, especially if the webinar is time-sensitive and involves multiple participants.

Ticket 3: Slower response time for a cloud-based application is important but typically not as urgent as a complete loss of internet access for a live event.

Ticket 4: Wireless access down in the cafeteria affects users but does not have the same immediate impact as a live webinar losing connectivity.

Thus, the correct answer is B. Ticket 2: An online webinar is taking place in the conference room. The video conferencing equipment lost internet access.

IT Help Desk Best Practices

Prioritizing IT Support Tickets

* 192.168.200.0/24 Network: This subnet includes all addresses from 192.168.200.0 to 192.168.200.255. The /24 indicates a subnet mask of 255.255.255.0, which allows for 256 addresses.

* 192.168.199.13: This address is in the 192.168.199.0/24 subnet, not the 192.168.200.0/24 subnet.

* 192.168.200.13: This address is within the 192.168.200.0/24 subnet.

* 192.168.201.13: This address is in the 192.168.201.0/24 subnet, not the 192.168.200.0/24 subnet.

* 192.168.1.13: This address is in the 192.168.1.0/24 subnet, not the 192.168.200.0/24 subnet.

* Subnetting Guide: Subnetting Basics

In a network, when a Layer 2 switch (like Switch1) receives a frame destined for a MAC address that is not in its MAC address table, it performs a flooding operation. This means the switch will send the frame out of all ports except the port on which the frame was received. This flooding ensures that if the destination device is connected to one of the other ports, it will receive the frame and respond, allowing the switch to learn its MAC address.

A . Switch1 queries Switch2 for the MAC address of PC-C: This does not happen in Layer 2 switches; they do not query other switches for MAC addresses.

A . Switch1 drops the frame and sends an error message back to PC-A: This is not the default behavior for unknown unicast frames.

D . Switch1 sends an ARP request to obtain the MAC address of PC-C: ARP is used by devices to map IP addresses to MAC addresses, not by switches to find unknown MAC addresses.

Thus, the correct answer is B. Switch1 floods the frame out all active ports except port G0/1.

Cisco Layer 2 Switching Overview

Switching Mechanisms (Cisco)