Question 1

A network technician installed a new host on the network. The host is not connecting to the company's cloud servers. The technician attempts to ping a server using the IP address with no success. Checking the IP address using ipconfing displays:  Which of the following should the technician perform NEXT to determine where the issue is located?
A) Modify the default gateway address and ping the server to test connectivity.
B) Change the DNS servers to be on the same subnet as the host.
C) Modify the router's ACL to allow port 80 to exit the network.
D) Perform a tracert command to locate where the packet is dropped. Perform a tracert command to locate where the packet is dropped.

Accepted Answer

The answer of A network technician installed a new host...

Question 2

A network administrator is redesigning network security after an attack. During the attack, an attacker used open cubicle locations to attach devices to the network. The administrator wants to be able to monitor future attacks in a safe environment and determine the method of attack. Which of the following should the administrator do to BEST meet this requirement?
A) Create a VLAN for the unused ports and create a honeyspot on the VLAN.
B) Install a BPDU guard on switchports and enable STP.
C) Create a DMZ for public servers and secure a segment for the internal network.
D) Install antivirus software and set an ACL on the servers.

Accepted Answer

Creating a VLAN for unused ports and setting up a honeypot on that VLAN allows the administrator to safely monitor and analyze attack methods without risking the main network.

Question 3

Greater bandwidth and availability are required between two switches. Each switch has multiple 100Mb Ethernet ports available. Which of the following should a technician implement to help achieve these requirements?
A) Spanning tree
B) Clustering
C) Power management
D) Port aggregation

Accepted Answer

Port aggregation combines multiple network connections in parallel to increase throughput and provide redundancy, thus achieving greater bandwidth and availability between switches.

Question 4

A network technician is installing a new SOHO branch office that requires the use of a DOCSIS-compatible modem. The modem needs to be connected to the ISP's network at the demarc. Which of the following cable types should be used?
A) UTP
B) Multimode
C) Coaxial
D) Serial

Accepted Answer

DOCSIS-compatible modems use coaxial cables to connect to the ISP's network at the demarcation point.

Question 5

While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting?
A) dig
B) iptables
C) ifconfig
D) traceroute

Accepted Answer

The "dig" command is used to query DNS servers and can help troubleshoot issues related to accessing servers and sites by name, as it provides detailed information about DNS lookups.

Question 6

Which of the following should a network administrator use to configure Layer 3 routes? (Choose two.)
A) Multilayer switch
B) Firewall
C) Hub
D) Bridge
E) Modem
F) Media converter

Accepted Answer

A multilayer switch and a firewall can both be used to configure Layer 3 routes. A multilayer switch can perform routing functions, and a firewall can manage and direct traffic based on routing rules.

Question 7

A technician has a remote site that often has congestion issues. When this happens, the remote router cannot be managed using SSH because the session drops. Which of the following is a possible solution to the issue?
A) Out-of-band management
B) HTTPS management URL
C) Client-to-site VPN
D) Router ACL

Accepted Answer

Out-of-band management allows access to network devices through a separate management channel, which can be used even if the main network is congested or down, ensuring reliable management access.

Question 8

Which of the following will listen on the line to ensure there is no traffic transmitting and implement a back-off timer if a collision occurs?
A) CSMA/CD
B) CSMA/CA
C) MPLS
D) OSPF

Accepted Answer

CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is a network protocol that listens to the network traffic and implements a back-off timer if a collision is detected, commonly used in Ethernet networks.

Question 9

A network technician is installing a new wireless network in a small office. Due to environmental concerns, the customer wants the network to run exclusively on the 5GHz frequency. Which of the following wireless technologies should the technician install to BEST meet this requirement? (Choose two.)
A) 802.11ac
B) 802.11b
C) 802.11g
D) 802.11n
E) Bluetooth
F) Z-Wave

Accepted Answer

802.11ac and 802.11n are the only two wireless technologies that operate exclusively on the 5GHz frequency.

Question 10

Ann, a customer, recently upgraded her SOHO Internet to gigabit fiber from cable. She was previously getting speeds around 75Mbps down and 25Mbps up. After the upgrade, Ann runs a speed test on her desktop and gets results of 1000Mbps down and 100Mbps up. A technician connects directly to the router and sees the correct 1000Mbps speeds. Which of the following is MOST likely the cause? (Choose two.)
A) All ports should be configured for full duplex.
B) There is a 10/100 switch on the network.
C) The connections are using Cat 5 cable.
D) The connections are using Cat 6 cable.
E) There is a transceiver mismatch at the fiber termination point.
F) Signal attenuation on the new fiber has reached the upper limits.

Accepted Answer

The answer of Ann, a customer, recently upgraded her SOHO...

Question 11

A network administrator is concerned about clients being able to access the local Internet while connected to the corporate VPN. Which of the following should be disabled on the client to prevent this?
A) TLS
B) Remote file access
C) Split tunneling
D) HTTPS

Accepted Answer

Split tunneling should be disabled to ensure that all client traffic is routed through the VPN, preventing direct access to the local Internet.

Question 12

A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to the wireless network. Which of the following must be configured to implement this solution?
A) EAP-PEAP
B) CCMP-AES
C) WPA2-PSK
D) TKIP-RC4

Accepted Answer

EAP-PEAP (Extensible Authentication Protocol-Protected Extensible Authentication Protocol) is used to provide secure authentication for wireless networks by requiring a username and password, making it suitable for the technician's requirement.

Question 13

A network technician recently installed a new server on a network. The technician must ensure the server does not have any unnecessary services running. The IP address of the server is 204.211.38.50. Which of the following commands would allow the technician to make this determination?
A) nmap
B) pathping
C) route
D) nslookup

Accepted Answer

The 'nmap' command is used to scan a network to discover hosts and services, allowing the technician to identify any unnecessary services running on the server.

Question 14

A network technician receives a call from a branch office about a problem with its wireless connectivity. The user states the office is hosting a large meeting that includes some online training with local businesses. The guest users have all brought devices to connect to the guest network at the branch office. All users are connected to a single WAP and are reporting that connections keep dropping and network spends are unusable. Which of the following is the MOST likely cause of this issue?
A) DHCP exhaustion
B) Channel overlapping
C) Interference
D) Overcapacity

Accepted Answer

The issue is likely due to overcapacity, as too many devices are connected to a single WAP, causing the network to become overloaded and resulting in dropped connections and slow speeds.

Question 15

While logged into a financial application, a user gets errors when trying to write to the database. The network administrator is not familiar with the application and how it communicates with the database. Which of the following documentation types should the network administrator use to troubleshoot the data flow?
A) Logical diagram
B) Physical diagram
C) Network baseline
D) Change management log

Accepted Answer

A logical diagram provides an overview of the data flow and interactions between different components of a system, which can help the network administrator understand how the application communicates with the database.

Question 16

Joe, a network engineer, is attempting to install wireless in a large work area. He installs the access point in the middle of the work space. When testing, he notices a -60dB reading on one side of the room and a -92dB reading on the other side. Which of the following is MOST likely the issue?
A) External interference
B) Distance limitations
C) Channel overlap
D) Incorrect antenna type

Accepted Answer

The answer of Joe, a network engineer, is attempting to...

Question 17

A network technician is segmenting network traffic into various broadcast domains. Which of the following should the network technician utilize?
A) VLAN
B) STP
C) ACL
D) BPDU

Accepted Answer

VLAN (Virtual Local Area Network) is used to segment network traffic into different broadcast domains, allowing for better management and security of network traffic.

Question 18

Which of the following BEST describes an exploit?
A) A router with default credentials
B) An open mail relay server
C) An SNMPv1 private community
D) A privilege escalation script

Accepted Answer

An exploit is a piece of software, a script, or a sequence of commands that takes advantage of a vulnerability to cause unintended behavior, such as privilege escalation.

Question 19

A technician is setting up VoIP phones on a wireless network. Users report that calls are choppy and sometimes dropped. The technician has measured two characteristics using simple command-line tools that verify the problem. Which of the following characteristics did the technician measure? (Choose two.)
A) Reflection
B) Latency
C) Interference
D) Packet loss
E) Signal-to-noise ratio
F) Attenuation

Accepted Answer

Latency and packet loss are critical factors in VoIP call quality. High latency can cause delays in communication, while packet loss can result in choppy audio or dropped calls.

Question 20

An administrator is troubleshooting a user's intermittent wireless connectivity issue. Other users across the hallway can connect and use the wireless network properly. Upon inspection of the connection details, the administrator finds the following:  Which of the following is MOST likely the cause of the poor wireless connection?
A) Channel overlap
B) Overcapacity
C) Incorrect antenna type
D) Latency

Accepted Answer

The answer of An administrator is troubleshooting a user's intermittent...

Exam 10: CompTIA Network+

Greater bandwidth and availability are required between two switches. Each switch has multiple 100Mb Ethernet ports available. Which of the following should a technician implement to help achieve these requirements?

A network technician is installing a new SOHO branch office that requires the use of a DOCSIS-compatible modem. The modem needs to be connected to the ISP's network at the demarc. Which of the following cable types should be used?

While working on a Linux-based OS, a technician experiences an issue accessing some servers and some sites by name. Which of the following command-line tools should the technician use to assist in troubleshooting?

Which of the following should a network administrator use to configure Layer 3 routes? (Choose two.)

A technician has a remote site that often has congestion issues. When this happens, the remote router cannot be managed using SSH because the session drops. Which of the following is a possible solution to the issue?

Which of the following will listen on the line to ensure there is no traffic transmitting and implement a back-off timer if a collision occurs?

A network administrator is concerned about clients being able to access the local Internet while connected to the corporate VPN. Which of the following should be disabled on the client to prevent this?

A technician wants to deploy a network that will require wireless client devices to prompt for a username and password before granting access to the wireless network. Which of the following must be configured to implement this solution?

A network technician recently installed a new server on a network. The technician must ensure the server does not have any unnecessary services running. The IP address of the server is 204.211.38.50. Which of the following commands would allow the technician to make this determination?

Joe, a network engineer, is attempting to install wireless in a large work area. He installs the access point in the middle of the work space. When testing, he notices a -60dB reading on one side of the room and a -92dB reading on the other side. Which of the following is MOST likely the issue?

A network technician is segmenting network traffic into various broadcast domains. Which of the following should the network technician utilize?

Which of the following BEST describes an exploit?