Networking Concepts
Infrastructure
Network Operations
Network Security
Network Troubleshooting and Tools
100
What system of notation uses base 16 rather than base 10?
Hex
100
What is MOST likely to use an RJ-11 connector to connect a computer to an ISP using a POTS line?
Analog modem
100
An administrator only has telnet access to a remote workstation. What utilities will identify if the workstation uses DHCP?
ipconfig
100
An area to which access is controlled by retina scan is protected by what security measure type?
Biometric
100
A user calls the help desk and states that he was working on a spreadsheet and was unable to print it. However, his colleagues are able to print their documents to the same shared printer. What should be the FIRST question the helpdesk asks?
Is the user able to access any network resources?
200
When enabling jumbo frames on a network device, what parameter is being adjusted?
MTU
200
What describes an area containing a rack that is used to connect customer equipment to a service provider?
MDF
200
What protocols must be implemented in order for two switches to share VLAN information?
VTP
200
A network administrator received the following email from a user:
From: user@company.com
To: abuse@company.com
Subject: Free smart phone
Dear user,
please click the following link to get your free smart phone http://www.freesmartphone.it:8080/survey.php
What should the administrator do to prevent all employees from accessing the link in the above email, while still allowing Internet access to the freesmartphone.it domain?
Add http://www.freesmartphone.it:8080/survey.php to the browser group policy block list.
200
A client reports that half of the marketing department is unable to access network resources. The technician determines that the switch has failed and needs to replace it. What would be the MOST helpful in regaining connectivity?
Configuration backup
300
A company has just implemented VoIP. Prior to the implementation, all of the switches were upgraded to layer 3 capable in order to more adequately route packages. This is an example of what network segmentation techniques?
Performance optimization
300
A training class is being held in an auditorium. Hard-wired connections are required for all laptops that will be used. The network technician must add a switch to the room through which the laptops will connect for full network access. What must the technician configure on a switch port, for both switches, in order to create this setup?
TRUNK
300
It has been determined by network operations that there is a severe bottleneck on the company’s mesh topology network. The field technician has chosen to use log management and found that one router is making routing decisions slower than others on the network. This is an example of what?
Network device CPU issues
300
A company has decided to update their usage policy to allow employees to surf the web unrestricted from their work computers. What actions should the IT security team implement to help protect the network from attack as a result of this new policy?
Install host-based anti-malware software
300
A PC technician has installed a new network printer in the HR department that was preconfigured with the correct static IP address, subnet mask, and default gateway. The printer was installed with a new cable and appears to have link activity, but the printer will not respond to any network communication attempts. What is MOST likely the cause of the problem?
Incorrect VLAN assignment
400
A network technician is assisting the security team with some traffic captures. The security team wants to capture all traffic on a single subnet between the router and the core switch. To do so, the team must ensure there is only a single collision and broadcast domain between the router and the switch from which they will collect traffic. What should the technician install to BEST meet the goal?
Hub
400
A network technician must utilize multimode fiber to uplink a new networking device. What two Ethernet standards could the technician utilize?
1000Base-SR, 10GBase-SR
400
A network technician has created a network consisting of an external internet connection, a DMZ, an internal private network, and an administrative network. All routers and switches should be configured to accept SSH connections from what network segments?
The admin private network allowing only admin access
400
A technician configures a firewall in the following manner in order to allow HTTP traffic.
Source IPZone: Any Untrust
Dest IPZone: Any DMZ
Port: 80
Action: Allow
The organization should upgrade what technologies to prevent unauthorized traffic from traversing the firewall?
Application aware firewall
400
A technician is troubleshooting a client’s connection to a wireless network. The client is asked to run a “getinfo” command to list information about the existing condition.
myClient$ wificard –getinfo agrCtlRSSI:-72 agrExtRSSI:0 state:running
op mode: station lastTxRate:178 MaxRate:300
802.11 auth:open link auth:wpa2-psk
BSSID:0F:33:AE:F1:02:0A
SSID:CafeWireless Channel:149,1
Given this output, what two things has the technician learned about the wireless network?
The WAP is using AES encryption, The WAP is using the 5GHz channel
500
A network technician has been assigned to install an additional router on a wireless network. The router has a different SSID and frequency. All users on the new access point and the main network can ping each other and utilize the network printer, but all users on the new router cannot get to the Internet. What is the most likely cause for the problem?
The gateway is misconfigured on the new router.
500
An administrator notices an unused cable behind a cabinet that is terminated with a DB-9 connector. What protocols was MOST likely used on this cable?
RS-232
500
A wireless network technician for a local retail store is installing encrypted access points within the store for real-time inventory verification, as well as remote price checking capabilities, while employees are away from the registers. The store is in a fully occupied strip mall that has multiple neighbors allowing guest access to the wireless networks. There are a finite known number of approved handheld devices needing to access the store’s wireless network. What is the BEST security method to implement on the access points?
MAC filtering
500
Before logging into the company network, users are required to sign a document that is to be stored in their personnel file. This standards and policies document is usually called which of the following?
AUP
500
A network technician has been tasked to configure a new network monitoring tool that will examine interface settings throughout various network devices. What would need to be configured on each network device to provide that information in a secure manner?
RSH