WGU C724 Information Systems Management Unit 5 Test with solutions

False-there are many other mediums for communications including fiber optics, ethernet and radio frequency. [True/False] Coaxial cable is the required medium for telecommunication transmissions. a.) True b.) False TCP/IP-is recognized by most operating systems WHAT is a universal telecommunication network protocol that most operating systems can recognize? a.) TCP/IP b.) Ethernet c.) Bluetooth No, a hypervisor is a computer software that enables network virtualization and is not necessary-A hypervisor is an expensive application used by large businesses to improve computer network performance without having to physically change the network. Are hypervisors or hypervisor applications necessary in small businesses with simple networks? a.) No, a hypervisor is a computer software that enables network virtualization and is not necessary b.) Yes, hypervisor is another name for simple routers and are necessary c.) Yes, hypervisors enable data network links and are necessary Packet transmission and TCP/IP protocol-The two fundamentals of modern networks are packet based transmission and the TCP/IP data transmission protocol. What are the two fundamental protocols that can describe modern telecom networks? a.) Asynchronous transfer mode and ATM b.) Packet transmission and TCP/IP protocol c.) Circuit transmission and analog signals Businesses must have a social media marketing strategy to capture this new community of users and to address issues of social care-Businesses must add a social media marketing component to their strategy because this is another media channel with a strong user presence. Why is it imperative that modern businesses have a social media marketing strategy? a.) Businesses must have a social media marketing strategy to capture this new community of users and to address issues of social care b.) Businesses must target social media because all transactions now are electronic c.) Businesses must target social media because it has replaced TV and radio The client has control over the applications residing on the server-In a client/server configuration, the server, not the client, has control over the applications residing on the server. The Internet is organized as a client/server system. Which of the following statement is FALSE regarding the client/server architecture? a.) All the applications reside on the server b.) The client has control over the applications residing on the server c.) The client sends messages requesting services from the server on the network d.) The client/server architecture maximizes traffic on the network To increase the number of unique IP addresses-The IPv6 standard was created to increase, not decrease, the number of unique IP addresses. The IP version 6 (IPv6) addressing scheme was developed in 2006 for what purpose? a.) To decrease the number of unique IP addresses b.) To increase the number of unique IP addresses c.) To recycle the number of unique IP addresses d.) To improve the performance of the IPv4 addressing scheme False-The telegraph technology led to the innovation of the telephone, which provides society with a richer form of communication than mere text or analog signal. [True/False] Telegraph technology provided richer quality, more detailed, and a more reliable form of communication than the telephone. a.) True b.) False A hacker attempt to tie up network host resources making them unavailable-A denial of service attack typically targets business or government websites to render them unavailable. What is a denial of service attack? a.) Denial of service is a spoof b.) A hacker attempt to tie up network host resources making them unavailable c.) Denial of service is a network probing process 1G enabled mobile voice telecommunication while 4G offers voice, data and video- 1G has a slow data transmission rate and only allowed voice traffic. Faster 4G enables converged technology traffic. What is the primary difference between a 1G cellular network and the current 4G network? a.) 1G offered digital circuits while 4G offers packet switching b.) 1G is the fastest network and is used for converged technology while 4G are voice only c.) 1G enabled mobile voice telecommunication while 4G offers voice, data and video A radio frequency survey is a signal strength detection process to identify the best wireless access point locations-When deploying wireless networks, the access point locations are determined by conducting a radio frequency survey of the site. What is a radio frequency survey? a.) A radio frequency survey is a signal strength detection process to identify the best wireless access point locations b.) A radio frequency survey is used to partition the spectrum for wireless networks c.) A radio frequency survey is performed to understand what spectrum wireless networks should use WPA is a tunneling encryption protocol that secures wireless data transmissions-WPA is a wireless (tunneling) encryption protocol that provides secure data transmission over an insecure network. Why is WPA (Wireless Protected Access) critical to wireless networks? a.) WPA is a tunneling encryption protocol that secures wireless data transmissions b.) WPA is necessary for accessing information over the web c.) WPA brings all the wireless technologies into a standard protocol Wireless Sensor Networks-WSN stands for Wireless Sensor Networks which are used for monitoring environmental conditions. What does WSN stands for? a.) Wireless Sensor Networks b.) Wireless System Networks c.) Wireline Sensor Nodes True- A VPN is a secure tunnel through the Internet using a public infrastructure. It provides a secure and encrypted connection for employees to have remote access to their work servers. [True/False] A virtual private network (VPN) provides a secure, encrypted, and remote connection between employees and the company's server via a third-party Internet service provider. a.) True b.) False False-Wireless uses radio waves over the RADIO spectrum. [True/False] Wireless communication uses radio waves over the optical spectrum to send and receive signals. a.) True b.) False 7-There are seven layers to the OSI model - physical, data, network, transport, session, presentation, and application. How many layers are in the standard OSI (Open System Interconnection) model? a.) 7 b.) 5 c.) 6 They carried continuous electronic waveforms Which of the following is a characteristic of a legacy or old analog network? a.) They carried continuous electronic waveforms b.) They did not have capacity or bandwidth limitations c.) They require packet switched networks True-The internet of things will have all devices connected to the internet with sensors to be automatically re-filled or serviced when needed. [True/False] The internet of Things (IoT) will enable automated, just in time e-commerce transactions. a.) True b.) False URL A Web browser is required to surf the Internet. What other protocol is needed by a client computer to request a Web site via HTTP or HTTPs? a.) DNS b.) FTP c.) Telnet d.) URL Smartphone- Smartphones and tablets combine the functionality of a phone with the capabilities of a computer. Which of the following portable device combines the functionality of the phone technology with the computing of a desktop or laptop? a.) Smartphone b.) Tablet c.) Netbook d.) iPod Interact with suppliers- An extranet is a network connection developed for organizations to communicate with external entities such as suppliers and vendors, often via an SCM Not all organizations utilize an extranet. However, an extranet can provide certain benefits. Which of the following is a benefit of an extranet? a.) Interact with employees b.) Interact with suppliers c.) Interact with customers d.) Store and share information Web enabled storefront-The Internet allows the creation of a web enabled storefront, whereby online retailers can advertise and sell their products online to anyone, located anywhere, and around the clock at 24/7 Which of the following application provided by the Internet allows an online retailer to conduct business? a.) Web forms b.) Electronic communications c.) Web enabled storefront d.) Fax machine Packet Switched Data Networks What does PSDN stand for? a.) Packet Switched Data Networks b.) Packet Standard Data Node c.) Protocol Standard Data Network RFID- RFID technology is used to track inventory, assets and people. Tags can be read hundreds at a time and can be read even if covered. Which of the following technologies is used to track inventory and can be read hundreds at a time, even if the tag is covered? a.) Bar code b.) RFID c.) Wireless sensor networks Copper building wire-Copper building wire is used for electricity, but is not practical for telecommunications, especially with the advent of wireless. Which of the following is not an effective telecommunication medium? a.) CAT 5 cable b.) Fiber optics cable c.) Copper building wire Core routers connect large businesses to the Internet backbone-Core routers aggregate data from business, and connect and transmit directly to the Internet backbone. What is the best definition of a core router? a.) Core routers are used in fiber optics networks b.) Core routers connect large businesses to the Internet backbone c.) Core routers have few protocol capabilities False-The OSI layers are - physical, data, network, transport, session, presentation, and application. [True/False] The virtual layer is the seventh layer of the OSI (Open System Interconnection) model. a.) True b.) False