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NEW QUESTION # 142
Users at a satellite office are experiencing issues when using videoconferencing. Which of the following should a technician focus on first to rectify these issues?
Answer: A
Explanation:
Comprehensive and Detailed In-Depth Explanation:
Quality of Service (QoS) ensures video conferencing receives priority bandwidth to prevent latency, jitter, and packet loss.
* QoS settings prioritize real-time traffic, ensuring smooth performance.
? Reference: CompTIA Network+ (N10-009) Official Study Guide - Section: Network Performance Optimization
NEW QUESTION # 143
Which of the following is the administrative distance for internal BGP routes?
Answer: A
Explanation:
The administrative distance for internal BGP, or iBGP, routes is 200. Administrative distance is a value used by routers to determine the trustworthiness of routing information when the same destination network is learned from more than one routing source. The lower the administrative distance, the more preferred the route. For example, external BGP commonly has an administrative distance of 20, OSPF has 110, external EIGRP has 170, and internal BGP has 200.
The CompTIA Network+ N10-009 objectives include routing technologies, routing protocol behavior, administrative distance, and path selection. BGP is commonly used for routing between autonomous systems, especially on the internet. Internal BGP is used within the same autonomous system to share BGP-learned routes between routers. Because iBGP routes have a higher administrative distance than many other routing sources, they are considered less preferred when competing with lower-distance routes to the same destination.
Option A, 20, applies to external BGP. Option B, 110, applies to OSPF. Option C, 170, is commonly associated with external EIGRP. Therefore, the correct administrative distance for internal BGP is 200.
NEW QUESTION # 144
An administrator requests a certificate for the company's domain name. In order to prove ownership of the domain, the certificate authority asks the administrator to create a specific DNS record. Which of the following record types is required?
Answer: D
Explanation:
Certificate authorities use a DNS TXT record to verify domain ownership by checking for a specific token you publish in your DNS.
NEW QUESTION # 145
A network technician was recently onboarded to a company. A manager has tasked the technician with documenting the network and has provided the technician With partial information from previous documentation.
Instructions:
Click on each switch to perform a network discovery by entering commands into the terminal. Fill in the missing information using drop-down menus provided.
Answer:
Explanation:
See the Explanation for detailed information on this simulation.
Explanation:
(Note: Ips will be change on each simulation task, so we have given example answer for the understanding) To perform a network discovery by entering commands into the terminal, you can use the following steps:
* Click on each switch to open its terminal window.
* Enter the command show ip interface brief to display the IP addresses and statuses of the switch interfaces.
* Enter the command show vlan brief to display the VLAN configurations and assignments of the switch interfaces.
* Enter the command show cdp neighbors to display the information about the neighboring devices that are connected to the switch.
* Fill in the missing information in the diagram using the drop-down menus provided.
Here is an example of how to fill in the missing information for Core Switch 1:
* The IP address of Core Switch 1 is 192.168.1.1.
* The VLAN configuration of Core Switch 1 is VLAN 1: 192.168.1.0/24, VLAN 2: 192.168.2.0/24, VLAN 3: 192.168.3.0/24.
* The neighboring devices of Core Switch 1 are Access Switch 1 and Access Switch 2.
* The interfaces that connect Core Switch 1 to Access Switch 1 are GigabitEthernet0/1 and GigabitEthernet0/2.
* The interfaces that connect Core Switch 1 to Access Switch 2 are GigabitEthernet0/3 and GigabitEthernet0/4.
You can use the same steps to fill in the missing information for Access Switch 1 and Access Switch 2.
NEW QUESTION # 146
Which of the following is the best way to securely access a network appliance from an external location?
Answer: C
Explanation:
SSH (Secure Shell) is the best and most secure method for accessing a network appliance from an external location, according to the CompTIA Network+ N10-009 objectives related to secure management protocols and network security. SSH provides encrypted remote command-line access, ensuring that authentication credentials, commands, and session data are protected from interception, eavesdropping, and man-in-the- middle attacks.
Telnet is an insecure legacy protocol that transmits all data, including usernames and passwords, in cleartext, making it unsuitable for any external or untrusted network access. RDP is primarily used for graphical remote desktop access to Windows systems and is not commonly used for managing network appliances such as routers, switches, firewalls, or load balancers. Additionally, RDP introduces a larger attack surface if exposed externally. FTPS is a secure file transfer protocol and is designed for transferring files, not for interactive device management or configuration.
The Network+ N10-009 exam emphasizes the use of secure administrative access methods, and SSH is the industry-standard protocol for managing network infrastructure devices. It supports strong encryption, key- based authentication, and secure tunneling, making it ideal for remote administration over untrusted networks such as the internet.
NEW QUESTION # 147
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