Network Engineering Chapter 6 Study Guide
Which cellular network type was the first kind of network to use encryption?
2G
Which cellular network type was the first to have gigabit-per-second speeds?
4G
A network administrator wants to change the frequency of their wireless network to allow more channels that do not interfere with each other. Which of the following frequencies or protocols would accomplish this?
5 GHz
Which IEEE wireless standards specify transmission speeds up to 54 Mbps? (Select two.)
802.11a, 802.11g
Gary has finished installing a wireless router for his neighbor's small business. Which wireless standard should Gary use to support up to 150 Mbps on the 5 GHz band?
802.11n
Which of the following statements is true regarding a VPN?
A VPN masks a user's IP address in order to make their actions untraceable.
Which of the following is the best definition for a LAN?
A network in a small geographic area, like in an office.
Which of the following network devices would be the BEST choice for this connectivity?
Access point
Which of the following are characteristics of Bluetooth? (Select two.)
Ad hoc connections, 2.4 GHz radio wireless
Which of the following features is supplied by WPA2 on a wireless network? (Select two.)
Authentication, Encryption
Which network type uses a coaxial cable to receive its signal?
Cable
A small business named Widgets, Inc. has hired you to evaluate their wireless network security practices. As you analyze their facility, you note the following using a wireless network locator device. They use an 802.11n wireless network. The wireless network is broadcasting an SSID of Linksys. The wireless network uses WPA2 with AES security. Directional access points are positioned around the periphery of the building. Which of the following would you MOST likely recommend your client do to increase their wireless network security? (Select two.)
Change the SSID to something other than the default., Upgrade to an 802.11g wireless network.
You have entered a URL into a browser and have received a 404 error. Which type of error did you receive?
Client error
Which of the following utilities would you use to automatically assign IP addresses on a network?
DHCP
Which of the following is not an example of wireless networking communications?
DSL
Which of the following utilities can you use to monitor, update, and manage all your hardware devices on a Windows computer?
Device Manager
Employees complain to the company IT division that they are spending considerable time and effort discarding unwanted junk email. Which of the following should be implemented?
Email filtering
Which of the following is a wired networking method most commonly used today by desktop PCs and other network devices to connect to a local area network?
Ethernet
Which network type uses light pulses to transmit data?
Fiber optic
Which of the following Internet technologies provides the FASTEST speeds?
Fiber optic
Which of the following is the best device to deploy to protect your private network from an untrusted public network?
Firewall
How many ping packets are sent by default in a successful ping request?
Four
Which of the following protocols is used by an email client to retrieve messages from an email server and gives users the option to keep mail messages on the server?
IMAP
A technician is checking a customer's wireless network performance and has determined it was using 802.11g. The technician's recommendation is for the customer to upgrade to 802.11ac. Which of the following is the BEST reason to upgrade?
Improved performance
Which installation method is most likely to put your computer at risk of downloading a virus?
Internet installation
Which of the following BEST describes the ipconfig utility?
It is a utility that displays all current TCP/IP network configuration values.
Which of the following BEST describes the ping utility?
It sends a single packet to a specified network address and then waits for a reply.
You want to use an application and are not connected to a network. Which of the following application delivery methods should you choose?
Local installation
You are an IT technician for your company. Your boss has asked you to set up and configure a wireless network to service all of the conference rooms. Which of the following features lets you allow or reject client connections based on the hardware address?
MAC address filtering
If your network does not have a DHCP server, what must you do to access the internet?
Manually change the TCP/IP properties to match your network's settings.
Which of the following allows for access to the internet without either a Wi-Fi or a wired connection?
Mobile data
Kris recently subscribed to a cable Internet provider. Which of the following devices is needed to convert the signal received on the coax cable to data that can be understood by a computer?
Modem
You have recently issued new mobile phones to the sales team in your company. Each phone has the ability to store and transmit encrypted information for such things as making payments at a checkout counter. Which of the following is the technology being used in these phones?
NFC chips
Multiple computers configured to be able to communicate and share information with each other form a ____________.
Network
You need to troubleshoot a Windows computer that isn't connecting to a network. Which utility should you use?
Network & Internet
Which of the following IT jobs specializes in configuring communication hardware such as cabling, routers, and wireless adapters?
Network Architect
Which of the following IT jobs includes installing and configuring network media?
Network administrator
Which of the following IT jobs typically do not require as much education or on-the-job experience?
Network technician
Which of the following Application Architecture Model tiers describes office productivity software?
One Tier
One software license model allows software to be freely distributed, downloaded, and installed without paying a license fee but often requires a fee for support, training, or added functionality. What is the name of this model?
Open Source
What is the term for software that anyone can use or modify for free?
Open-source Software
A user read their work email from their home computer and when they returned to work the next day and accessed the email server, all of their email was missing. Which of the following protocols removes mail from a mail server?
POP3
The TCP/IP suite has three protocols that deal with sending and receiving email. What are these protocols? (Select three.)
POP3, SMTP, IMAP
Which of the following tools would you use to check connectivity between two computers?
Ping
What is the term for software that is exclusively controlled by a company and cannot be used or modified without permission?
Proprietary Software
What protocol is used to send email messages from a mail client to a mail server?
SMTP
Which of the following is used on a wireless network to identify the network name?
SSID
A healthcare organization provides mobile clinics throughout the world and needs to transfer patient statistical data to a central database via the Internet. Which network technology should they select to ensure network connectivity for any clinic located anywhere in the world, even remote areas?
Satellite
You live in a rural area and don't have a nearby wired network to connect to. What could you use to connect to the Internet?
Satellite
Which of the following provides services to hosts on its network?
Server
Software that requires a monthly subscription fee is often called _______________.
Software as a service
What is the name of the protocol suite used on the Internet?
TCP/IP
What is the biggest benefit to using a DHCP server in a large network?
They save time for the network administrator.
Which of the following statements is true regarding a network technician?
They troubleshoot reported problems and assist users in resolving network-connection issues.
Which of the following statements is true regarding a network architect?
They typically require an industry certification in network design and implementation.
Bob, a network professional, wants to find out where packets are getting stuck on the path to their destination. Which of the following utilities should he use?
Tracert
Which of the following utilities would you use to find the path between two computers?
Tracert
Which of the following provides security for wireless networks?
WPA2
You need to add security for your wireless network. You would like to use the most secure method. Which method should you implement?
WPA2
Which application makes sure your computer has the most recent versions of its system software?
Windows Update
You work for a large company as the IT administrator. With the many external attacks being perpetrated in the form of security breaches being found in applications, you are concerned that your Windows 10 computers may be vulnerable. You also want to ensure that Windows is using the latest features. Which of the following would BEST protect your computers?
Windows updates
Which of the following components is NOT required to create a network?
Wireless adapter
The ______________ is an information system that connects documents to each other by hypertext links.
World Wide Web
Your organization has 20 employees who need an accounting software update installed. Due to a miscommunication, the purchaser only paid to update 10 licenses. The software company issued a paper license and a single key for updating 10 users. This is an enterprise paper license and there is no mechanism that enforces a limit to the number of times the key can be used. You decide to update all 20 users.
You risk losing your job., Your company is exposed to litigation by violating the software license agreement
