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| Section | Objectives |
|---|---|
| Network Security | - Network hardening techniques - Security concepts and threats - Access control and authentication |
| Network Troubleshooting | - Tools and diagnostic techniques - Common network issues - Troubleshooting methodology |
| Network Implementation | - Routing technologies - Switching technologies - Wireless networking - Network storage and virtualization |
| Networking Concepts | - Network topologies and types (LAN, WAN, WLAN) - OSI model and TCP/IP model - IPv4 and IPv6 addressing - Ports, protocols, and services |
| Network Operations | - Network documentation and diagrams - Business continuity and disaster recovery - Monitoring and optimization |
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NEW QUESTION # 41
A security analyst wants to control internet access based on site reputation and categorization.
The analyst needs a solution that does not require traffic flow changes. Which of the following solutions would most likely meet these requirements?
Answer: A
NEW QUESTION # 42
A network technician needs to resolve some issues with a customer ' s SOHO network.
The customer reports that some of the devices are not connecting to the network, while others appear to work as intended.
INSTRUCTIONS
Troubleshoot all the network components and review the cable test results by Clicking on each device and cable.
Diagnose the appropriate component(s) by identifying any components with a problem and recommend a solution to correct each problem.
Cable Test Results:
Cable 1:
Cable 2:
Cable 3:
Cable 4:
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 troubleshoot all the network components and review the cable test results, you can use the following steps:
Click on each device and cable to open its information window.
Review the information and identify any problems or errors that may affect the network connectivity or performance.
Diagnose the appropriate component(s) by identifying any components with a problem and recommend a solution to correct each problem.
Fill in the remediation form using the drop-down menus provided.
Here is an example of how to fill in the remediation form for PC1:
The component with a problem is PC1.
The problem is Incorrect IP address.
The solution is Change the IP address to 192.168.1.10.
You can use the same steps to fill in the remediation form for other components.
To enter commands in each device, you can use the following steps:
Click on the device to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of the device, including its IP address, subnet mask, default gateway, and DNS servers.
Enter the command ping < IP address > to test the connectivity and reachability to another device on the network by sending and receiving echo packets. Replace < IP address > with the IP address of the destination device, such as 192.168.1.1 for Core Switch 1.
Enter the command tracert < IP address > to trace the route and measure the latency of packets from the device to another device on the network by sending and receiving packets with increasing TTL values.
Replace < IP address > with the IP address of the destination device, such as 192.168.1.1 for Core Switch 1.
Here is an example of how to enter commands in PC1:
Click on PC1 to open its terminal window.
Enter the command ipconfig /all to display the IP configuration of PC1. You should see that PC1 has an incorrect IP address of 192.168.2.10, which belongs to VLAN 2 instead of VLAN 1.
Enter the command ping 192.168.1.1 to test the connectivity to Core Switch 1. You should see that PC1 is unable to ping Core Switch 1 because they are on different subnets.
Enter the command tracert 192.168.1.1 to trace the route to Core Switch 1. You should see that PC1 is unable to reach Core Switch 1 because there is no route between them.
You can use the same steps to enter commands in other devices, such as PC3, PC4, PC5, and Server 1.
NEW QUESTION # 43
A user reports having intermittent connectivity issues to the company network. The network configuration for the user reveals the following:
IP address: 192.168.1.10
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.254
The network switch shows the following ARP table:
Which of the following is the most likely cause of the user's connection issues?
Answer: A
Explanation:
This scenario describes a duplicate IP address. The ARP table shows two different MAC addresses (0c00.
1134.0001 and 0c00.1298.d239) associated with the same IP address (192.168.1.10), which leads to ARP table conflicts and intermittent connectivity.
From Andrew Ramdayal's guide:
"Duplicate IP addresses occur when two devices on the same network are assigned the same IP address, causing network conflicts. Common issues include manual configuration errors or DHCP lease issues.
Resolution includes using IP management tools and avoiding overlaps in DHCP and static IP assignments."
NEW QUESTION # 44
A user cannot access an external server for a client after connecting to a VPN. Which of the following commands would a support agent most likely use to examine the issue? (Choose two.)
Answer: E,F
Explanation:
tracert helps identify the path packets take and where they might be dropped after connecting to the VPN.
route print displays the routing table, allowing verification of how traffic is being directed when the VPN is active.
NEW QUESTION # 45
Which of the following will allow secure, remote access to internal applications?
Answer: B
Explanation:
A Virtual Private Network (VPN) creates an encrypted connection between a remote user and an internal network, ensuring secure access to internal applications. VPNs use encryption protocols like IPSec and SSL/TLS to protect data during transmission. They are widely used for secure remote work, accessing company resources, and bypassing geographic restrictions.
NEW QUESTION # 46
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