Q&A 7 Networking

QUESTION NO: 1 A technician needs to upgrade a SOHO wireless router's firmware. The technician resets the router to factory settings and installs the new firmware. The technician enters the DHCP information and sets the SSI+D.Which of the following configurations would provide the MOST protection from advance hackers?

A. Disable the broadcasting of the SSID

B. Enable WPA2 authentication for all hosts.

C. Use private addressing for the DHCP scope.

D.Install unidirectional antennas.

QUESTION NO: 2 A technician notices clients are receiving a 169 254 xx IP address following the upgrade of a server. Which of the following ports should the technician check on the local server firewall?

A.ports 20 and 21+

B. ports 67 and 68

C. ports 80 and 443

D.port 123 and 8080

QUESTION NO: 3 Which of the following datacenter security methodologies is MOST likely to remain usable during a network outage?

A. biometric scanners

B. door locks

C. video surveillance

D.motion detectors

QUESTION NO: 4 A network technician is implementing a solution on the network to hide the workstation internal IP addresses across a WAN. Which of the following is the technician configuring?

A. QoS

B. DMZ

C. RIP

D. NAT

QUESTION NO: 5 Employees want the ability to use personal devices on the guest network while working out at the company gym. In order to meet the request, which of the following policies requires employee adherence?

A. AUP

B. SLAC

C. NDA

D.MOU

QUESTION NO: 6 Which of the following BEST describes the BGP routing protocol?

A. distance vector

B. hybrid

C. static

D.link state

QUESTION NO: 7 A customer is reporting difficulty connecting some devices after replacing a wireless router with a new wireless 802.11ac router. The SSID, encryption and password are the same as the previous router. A technician goes on-site and notices the devices that are no longer connecting appear to be several years ago. Which of the following is MOST likely the problem?

A. the password needs to be re-entered.

B. there is a security type mismatch.

C. there is insufficient antenna power.

D.there is a frequency mismatch.

E. the channel has changed.

QUESTION NO: 8 Which of the following should be performed to verify that unnecessary services are disabled on all switches in an environment?

A. Packet capturing

B. Port scanning

C. Log scanning

D.Baseline review

QUESTION NO: 9 A technician is sent to a remote office to set up a device to connect to the internet. The company standards document requires stateful inspection. Which of the following should the technician install?

A. Router

B. Multiplayer switch

C. Firewall

D.Bridge

QUESTION NO: 10 A technician is assigned to secure a basic wireless network. Which of the following authentication protocols should the technician use to perform this task? (Choose two.)

QUESTION NO: 11 A technician is investigating the cause of a network outage. Which of the following documents should be checked to rule out configuration issues?

A. Change management records

B. Inventory management

C. Network log files

D.Logical diagrams

QUESTION NO: 12 A junior network technician receives a help desk ticket from an end user who is having trouble accessing a web application that was working the previous day. After talking with the end user and gathering Information about the issue, which of the following would be the most likely course of action for the technician to perform NEXT?

A. Establish a theory of probable cause.

B. Escalate the ticket to a senior technician.

C. Implement the solution.

D.Document the findings and outcomes.

QUESTION NO: 13 A system administrator receives reports from users of odd behavior in regard to a recently installed server. While reviewing the server network configuration, the systems administrator does both a forward.Which of the following is the problem identified in the output above?

A. There is no reverse DNS entry for this host.

B. The server IP address is incorrectly configured.

C. The DNS lookup entry is incorrectly configured.

D.The reverse DNS entry is pointing to a different host.

QUESTION NO: 14 A network technician at a small office upgrades the LAN switch. After the upgrade, a user reports being unable to access network resources. When the technician checks the switchport, the LED light is not it Which of the following should the technician check FIRST?

A. The device is using the correct cable type.

B. The switchport is functioning properly.

C. The device is connected to the switch.

D.The switch is connected to the router.

QUESTION NO: 15 A network administrator wants to employ a username and password authentication system for guest WiFi. Which of the following is the BEST option to provide this type of authentication?

A. Port security

B. MAC filtering

C. Network access control

D.Captive portal

QUESTION NO: 16 A technician is responsible for configuring a new firewall. The hardware team has already Installed, powered, and connected the system. Which of the following types of documentation should the technician utilize to complete the task?

A. Rack diagram

B. IDF/MDF documentation

C. Network performance baseline

D.Logical and physical diagrams

QUESTION NO: 18 Which of the following networking devices operates at Layer1?

A. Router

B. Firewall

C. Hub

D.Bridge

QUESTION NO: 19 A disgruntled employee decides to leak critical information about a company's new product. The employee places keyloggers on the department's computers, allowing the information to be sent out to the Internet. Which of the following attacks is occurring?

A. Man-in-the-middle

B. Logic bomb

C. Insider threat

D.Social engineering

QUESTION NO. 20 A network technician needs to set up an access method for Ann, a manager, to work from home. Ann needs to locally mapped corporate resources to perform her jo+B. Which of the following would provide secure access to the corporate resources?

A. Utilize an SSH connection to the corporate server.

B. Use TFTP to transfer files to corporate resources.

C. Allow RDP through an external firewall.

D.Connect utilizing client-to-site VPN

QUESTION NO: 22 A recently constructed building makes use of glass and natural light. Users in the building are reporting poor cellular connectivity and speeds. Which of the following is MOST likely the cause?

A. Absorption

B. Channel overlap

C. Reflection

D.Frequency mismatch

QUESTION NO: 23 A network technician is working on a new switch implementation to expand the network. Which of the following is the BEST option to ensure the implementation goes according to business requirements?

A. AUP

B. NDA

C. SOP

D.SLA

QUESTION NO: 24 A technician is utilizing SNMPv3 to monitor network statistics. Which of the following actions would occur immediately of a server's utilization spikes above the prescribed value?

A. A trap message is sent via UDP to the monitoring workstation.

B. The SET function pushes an alert to the MIB database.

C. The object identifier is modified and reported during the next monitoring cycle.

D.A response message is sent from the agent to the manager

QUESTION NO: 25 In which of the following scenarios should a technician use a cross-over cable to provide connectivity?