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While troubleshooting connectivity issues, a junior network administrator is given explicit instructions to test the host’s TCP/IP stack first. Which of the following commands should the network administrator run?

A.

ping 127.0.0.1

B.

ping 169.254.1.1

C.

ping 172.16.1.1

D.

ping 192.168.1.1

Employees report that the network is slow. The network engineer thinks the performance issue is with an upstream router. Which of the following tools should the engineer use to determine the location of the issue?

A.

nslookup and dig

B.

Nmap and speed tester

C.

tracert and ping

D.

tcpdump and protocol analyzer

A network administrator has been monitoring the company ' s servers to ensure that they are available. Which of the following should the administrator use for this task?

A.

Packet capture

B.

Data usage reports

C.

SNMP traps

D.

Configuration monitoring

A network technician is configuring the company’s network of 100 Mbps Layer 2 switches. The technician wants increased throughput for the uplinks between switches. The technician connects multiple redundant links between the switches. Which of the following should the technician configure?

A.

Spanning Tree Protocol

B.

Switch Virtual Interfaces

C.

Native VLAN

D.

First Hop Redundancy Protocol

A customer is adding fiber connectivity between adjacent buildings. A technician terminates the multimode cable to the fiber patch panel. After the technician connects the fiber patch cable, the indicator light does not turn on. Which of the following should a technician try first to troubleshoot this issue?

A.

Reverse the fibers.

B.

Reterminate the fibers.

C.

Verify the fiber size.

D.

Examine the cable runs for visual faults.

After a company installed a new IPS, the network is experiencing speed degradation. A network administrator is troubleshooting the issue and runs a speed test. The results from the different network locations are as follows:

LocationSpeed DownSpeed Up

Wireless laptop4.8 Mbps47.1 Mbps

Wired desktop5.2 Mbps49.3 Mbps

Firewall48.8 Mbps49.5 Mbps

Which of the following is the most likely issue?

A.

Packet loss

B.

Bottlenecking

C.

Channel overlap

D.

Network congestion

An organizatin is struggling to get effective coverage using the wireless network. The organization wants to implement a solution that will allow for continous connectivity anywhere in the facility. Which of the following should the network administ rator suggest to ensure the best coverage?

A.

Implementing additional ad hoc access points

B.

Providing more Ethernet drops for user connections

C.

Deploying a mesh network in the building

D.

nl Changing the current frequency of the WI-FI

Users are unable to access files on their department share located on file server 2.

The network administrator has been tasked with validating routing between networks

hosting workstation A and file server 2.

INSTRUCTIONS

Click on each router to review output, identify any issues, and configure the appropriate solution.

If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

A network engineer needs to add a boundary network to isolate and separate the internal network from the public-facing internet. Which of the following security defense solutions would best accomplish this task?

A.

Trusted zones

B.

URL filtering

C.

ACLs

D.

Screened subnet

Which of the following should a network administrator configure when adding OT devices to an organization’s architecture?

A.

Honeynet

B.

Data-at-rest encryption

C.

Time-based authentication

D.

Network segmentation

Which of the following steps in the troubleshooting methodology comes after using a top-to-top buttom examination of the OSI model to determine cause?

A.

Test in the theory

B.

Establish a plan of action

C.

Verify full system functionality

D.

Identify the problem

A network engineer configures the network settings in a new server as follows:

IP address = 192.163.1.15

Subnet mask = 255.255.255.0

Gateway = 192.163.1.255

The server can reach other hosts on the same subnet successfully, but it cannot reach hosts on different subnets. Which of the following is most likely configured incorrectly?

A.

Subnet mask

B.

Gateway

C.

Default route

D.

IP address

A network technician replaced an access layer switch and needs to reconfigure it to allow the connected devices to connect to the correct networks.

INSTRUCTIONS

Click on the appropriate port(s) on Switch 1 and Switch 3 to verify or reconfigure the

correct settings:

· Ensure each device accesses only its

correctly associated network.

· Disable all unused switchports.

. Require fault-tolerant connections

between the switches.

. Only make necessary changes to

complete the above requirements.

An administrator is troubleshooting a Layer 3 comm unication issue between the web server and the database server. The administrator finds the following information:

Device

IP

Subnet

Gateway

Firewall

192.168.1.1

255.255.255.0

1.2.3.4

Web server

192.168.1.50

255.255.255.0

192.168.1.1

Database server

192.168.1.201

255.255.255.128

192.168.1.1

Which of the following corrects the communication issue?

A.

Changing the subnet on the database server to 255.255.255.0

B.

Changing the subnet on the firewall to 255.255.255.128

C.

Changing the default gateway on the database server to 1.2.3.4

D.

Changing the IP address on the database server to 192.168.1.150

E.

Changing the gateway on the firewall to 192.168.1.1

A small company has the following IP addressing strategy:

A user is unable to connect to the company fileshare server located at 192.168.10.1. The user’s networking configuration is:

Which of the following will most likely correct the issue?

A.

Changing the IPv4 address to 192.168.10.1

B.

Changing the subnet mask to 255.255.255.0

C.

Changing the DNS servers to internet IPs

D.

Changing the physical address to 7A-01-7A-21-01-50