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Business Data Networks and Security, 11e (Panko) Chapter 11 Networked Applications. 100% Grade

Business Data Networks and Security, 11e (Panko) Chapter 11 Networked Applications 1) A networked application requires a network to operate. Answer: TRUE Difficulty: Basic Question: 1a Obj ective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 2) The way in which application layer functions are spread among computers to deliver service to users is called ________. A) distributed processing B) peer-to-peer computing C) client/server computing D) an application architecture Difficulty: Basic Question: 1b Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 3) The primary applications architecture is ________. A) TCP/IP B) OSI C) both A and B D) neither A nor B Difficulty: Basic Question: 1c Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 4) The primary applications architecture is ________. A) TCP/IP B) OSI C) client/server D) HTTP Difficulty: Basic Question: 1c Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 5) The main advance that made the client/server application architecture possible was ________. A) the Internet B) growing client processing power C) growing application sophistication D) new input/output methods Difficulty: Basic Question: 1d Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 6) The main advance that made the client/server application architecture possible was ________. A) the Internet B) growing client processing power C) growing application sophistication D) new input/output methods Difficulty: Basic Question: 1e Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 7) Growing client processing power was a major driving force behind the ________ application architecture. A) client/server B) P2P C) both A and B D) neither A nor B Difficulty: Basic Question: 1e Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 8) Falling network costs are resulting in ________. A) the consolidation of servers B) server farms for cloud computing C) both A and B D) neither A nor B Difficulty: Basic Question: 1g Objective: Explain core concepts in network applications and architectures. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 9) Typically, the most common way for an attacker to get extensive privileges on a computer is ________. A) to take over an application program B) to take over the operating system C) to take over a computer's hardware D) privilege escalation after a hack Difficulty: Basic Question: 2a Objective: Explain how taking over an application can give a hacker control of a computer. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 10) Having all privileges on a computer is known as having ________. A) access B) totality C) root privileges D) mojo Difficulty: Basic Question: 2b Objective: Explain how taking over an application can give a hacker control of a computer. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 11) The explosion of apps on small mobile devices raises ________ issues. A) cumulative cost B) inventory control C) security D) network load Difficulty: Basic Question: 2c Objective: Explain how taking over an application can give a hacker control of a computer. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 12) When you login to a website and it responds by saying, "Hello yourname," this is primarily creates a ________ problem. A) security B) privacy C) user interface D) network Difficulty: Basic Question: 3a Objective: Explain how taking over an application can give a hacker control of a computer. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 13) A lesson of XSS is that programmers should never trust ________. A) contractors B) their own staff colleagues C) databases D) user input Difficulty: Basic Question: 3b Objective: Explain how taking over an application can give a hacker control of a computer. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 14) Netflix transcoding is based on ________. A) network speed B) the user's display device characteristics C) both A and B D) neither A nor B Difficulty: Basic Question: 4a Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 15) Netflix uses AWS for its ________. A) recommendation system B) content delivery appliances C) both A and B D) neither A nor B Difficulty: Deeper Question: 4c Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 16) For ________, Netflix owns and operates the servers. A) its recommendation system B) e-mail C) both A and B D) neither A nor B Difficulty: Deeper Question: 4d Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 17) Content delivery networks mainly ________. A) increase transmission speed B) increase program selection C) decrease program selection D) reduce latency Difficulty: Basic Question: 4e Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 18) A ________ may have multiple ________. A) physical server; virtual machines B) virtual machine; physical servers C) both A and B D) neither A nor B Difficulty: Basic Question: 5a Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 19) Compared to physical servers, virtual machines ________. A) can be moved more easily B) potentially have infinite capacity C) both A and B D) neither A nor B Difficulty: Basic Question: 5b Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 20) Creating a new VM is ________. A) booting B) startup C) birthing D) instantiation Difficulty: Basic Question: 5c Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 21) Netflix has the most VMs ________. A) on weekends B) on weekdays C) in the evenings D) The number of VMs is fixed over periods of a month or longer. Difficulty: Deeper Question: 5d Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 22) CSPs often offer ________. A) ISP services B) IaaS services C) both A and B D) neither A nor B Difficulty: Basic Question: 6a Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 23) Which type of service manages application software for users? A) IaaS B) SaaS C) both A and B D) neither A nor B Difficulty: Basic Question: 6b Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 24) IaaSs own ________. A) application software B) servers C) both A and B D) neither A nor B Difficulty: Deeper Question: 6c Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 25) For Netflix, AWS is a(n) ________. A) ISP B) IaaS C) SaaS D) all of the above Difficulty: Basic Question: 6c Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 26) For Netflix, Google is a(n) ________. A) IaaS B) SaaS C) both A and B D) neither A nor B Difficulty: Basic Question: 6d Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 27) For Netflix, ________ is a(n) ________, and ________ is a(n) ________. A) Google; IaaS; AWS; IaaS B) Google; SaaS; AWS; SaaS C) Google; IaaS; AWS; SaaS D) Google; SaaS; AWS; IaaS Difficulty: Deeper Question: 6d Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 28) An IaaS owns and operates ________. A) servers B) application programs C) both A and B D) neither A nor B Difficulty: Deeper Question: 6e Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 29) An IaaS owns ________. A) servers B) application programs C) both A and B D) neither A nor B Difficulty: Basic Question: 6f Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 30) When a cloud client customer moves from one client machine to another, ________. A) the same data files are available B) the same application software personalization is in effect C) both A and B D) neither A nor B Difficulty: Basic Question: 7a Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 31) Cloud customers are concerned that ________. A) their data might be hacked B) the government may access their data secretly C) both A and B D) neither A nor B Difficulty: Basic Question: 8 Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 32) On networks, cloud computing is increasing the need for ________. A) sudden changes in traffic B) reliability C) controlled latency D) all of the above Difficulty: Basic Question: 9a Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 33) In cloud computing, latency is important for ________. A) AI-based cloud applications B) e-mail C) both A and B D) neither A nor B Difficulty: Basic Question: 9b Objective: Describe how Netflix uses cloud computing. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 34) Which of the following is a file format standard? A) HTML B) HTTP C) both A and B D) neither A nor B Difficulty: Deeper Question: 10a Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 35) Which of the following is a file transfer standard? A) HTML B) HTTP C) both A and B D) neither A nor B Difficulty: Deeper Question: 10a Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 36) How many HTTP request-response cycles are needed to transfer a webpage containing three graphics images? A) 1 B) 2 C) 3 D) none of the above Difficulty: Deeper Question: 11a Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 37) If you are downloading a webpage containing three graphics images, which file will you download first? A) The first image. B) The second image. C) The third image. D) none of the above Difficulty: Deeper Question: 11b Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 38) How many HTTP request-response cycles are needed to transfer a webpage containing 88 lines of text and three different images? A) 3 B) 4 C) 88 D) 91 Difficulty: Deeper Question: 11b Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 39) Which tends to have a data field? A) an HTTP request message B) an HTTP response message C) both A and B D) neither A nor B Difficulty: Basic Question: 12a Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 40) The first line in an HTTP request message is called the ________. A) request line B) status line C) both A and B D) neither A nor B Difficulty: Deeper Question: 12b Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 41) The first line in an HTTP response message is called the ________. A) status line B) command line C) reply line D) response line Difficulty: Deeper Question: 12c Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 42) In HTTP, each line after the first begins with a ________. A) keyword B) command C) CRLF D) value Difficulty: Basic Question: 12d Objective: Describe how the World Wide Web works. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 43) In traditional e-mail, when a client sends a message to its mail host, what standard does it use? A) HTTP B) HTML C) SMTP D) FTP Difficulty: Basic Question: 13a Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 44) In Web-based e-mail, when a client sends a message to its mail host, what standard does it use? A) HTTP B) HTML C) SMTP D) FTP Difficulty: Basic Question: 13b Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 45) When the sender's mail host sends the message to the receiver's mail host, what standard does it use? A) HTTP B) HTML C) SMTP D) FTP Difficulty: Basic Question: 13c Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 46) Which of the following forms of e-mail is usually easier to use if you are using someone else's computer? A) Webmail B) Mail programs using SMTP and POP C) Mail programs using SMTP and IMAP D) none of the above Difficulty: Deeper Question: 13d Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 47) A traditional e-mail user retrieving messages from her mail server could use ________. A) IMAP B) HTTP C) HTML D) SMTP Difficulty: Basic Question: 14a Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 48) Which of the following allows you to read your e-mail easily on an Internet café's computer? A) IMAP B) HTTP C) HTML D) SMTP Difficulty: Deeper Question: 14b Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 49) There is usually a time difference ________. A) between transmission from the sender to his or her mail server and the transmission to the receiver's mail server B) between transmission to the receiver's mail server and the reading of the message by the receiver. C) both A and B D) neither A nor B Difficulty: Deeper Question: 14c Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 50) E-mail bodies that have non-English text use ________. A) RFC 822 and RFC 2822 B) HTTP C) MIME D) UNICODE Difficulty: Basic Question: 15d Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 51) In e-mail, UNICODE enhances security. Answer: FALSE Difficulty: Basic Question: 15e Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 52) When an e-mail user encrypts an outgoing message with SSL/TLS, how far will this encryption extend? A) to the sender's e-mail server B) to the receiver's e-mail server C) to the receiver's client host D) to an application program on the receiver's client host Difficulty: Basic Question: 16a Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 53) In e-mail, SSL/TLS provides ________. A) link encryption B) end-to-end encryption C) both A and B D) neither A nor B Difficulty: Basic Question: 16b Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 54) Why is link-by-link encryption for confidentiality not fully secure even if there is encryption for confidentiality in all links along the way? A) There cannot be confidentiality on each link. B) Devices along the way may not be secure. C) both A and B D) neither A nor B Difficulty: Deeper Question: 16c Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 55) Which of the following provides end-to-end encryption? A) SSL/TLS B) S/MIME C) both A and B D) neither A nor B Difficulty: Basic Question: 16d Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 56) What is the universal standard for end-to-end encryption? A) SSL/TLS B) IPsec C) S/MIME D) There is no universal standard for end-to-end encryption. Difficulty: Basic Question: 16e Objective: Describe e-mail standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 57) VoIP is an acronym for ________. A) Voice over IP B) Video over IP C) both A and B D) neither A nor B Difficulty: Deeper Question: 17 Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 58) VoIP ________ uses the Internet Protocol for transmission. A) always B) usually C) seldom D) never Difficulty: Basic Question: 17 Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 59) Speech codecs ________. A) translate human voice signals into digital signals for transmission B) translate human voice signals into analog signals for transmission C) both A and B D) neither A nor B Difficulty: Basic Question: 18a Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 60) VoIP users have ________ in their phones or on their computers. A) media gateways B) codecs C) both A and B D) neither A nor B Difficulty: Basic Question: 18a Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 61) Speech codecs vary with respect to ________. A) compression B) voice quality C) both A and B D) neither A nor B Difficulty: Basic Question: 18b Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 62) Telephones that can plug directly into a VoIP network are called PCs with multimedia hardware and added software. Answer: FALSE Difficulty: Basic Question: 19a Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 63) A media gateway connects a client computer, or VoIP phone, to the VoIP network. Answer: FALSE Difficulty: Basic Question: 19b Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 64) A media gateway translates ________ methods. A) signaling B) transport C) both A and B D) neither A nor B Difficulty: Deeper Question: 19b Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 65) SIP is a ________ protocol for VoIP. A) signaling B) transport C) both A and B D) neither A nor B Difficulty: Deeper Question: 20a Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 66) The SIP invite is transmitted to the ________. A) called party's SIP proxy server B) called party's VoIP phone or computer C) both A and B D) neither A nor B Difficulty: Basic Question: 20b Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 67) In VoIP traffic, the data field in a signaling packet usually carries codec data. Answer: FALSE Difficulty: Deeper Question: 21a Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 68) For the transport layer, VoIP uses ________ for transport transmission. A) TCP B) UDP C) SIP D) IP Difficulty: Basic Question: 21b Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 69) RTP supports ________. A) faster transmission speed B) jitter control C) both A and B D) neither A nor B Difficulty: Deeper Question: 21c Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 70) Codec data comes after the ________ header in VoIP transport frames. A) IP B) TCP C) UDP D) RTP Difficulty: Deeper Question: 21c Objective: Describe VoIP standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 71) Which of the following is considered a bigger problem with client/server architecture than peer-to-peer architecture? A) underutilized processing capacity of client PCs B) potential for essential data/services to become unavailable because devices providing services are often turned off C) lack of corporate control D) none of the above Difficulty: Deeper Question: 22a Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 72) P2P applications ________. A) increase IT control B) increase user control C) both A and B D) neither A nor B Difficulty: Basic Question: 22b Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 73) Skype provides ________. A) Voice over IP B) Video over IP C) both A and B D) neither A nor B Difficulty: Basic Question: 23a Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 74) In which VoIP phase does Skype use a server instead of service directly between peers? A) signaling B) transport C) login D) none of the above Difficulty: Deeper Question: 23b Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 75) Skype login is necessary so that the user ________. A) can find the IP address of a Skype proxy server B) can find the IP address of a client it wishes to communicate with C) can find her own Skype address D) none of the above Difficulty: Deeper Question: 23c Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 76) In Skype, a directory search to find the IP address of a client to be called, is done by ________. A) peers B) super nodes C) Skype servers D) direct communication between the calling and receiving clients Difficulty: Basic Question: 23d Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 77) In Skype, signaling is done by ________. A) peers B) super nodes C) direct communication between the calling and receiving clients D) none of the above Difficulty: Deeper Question: 23e Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 78) In Skype, transport is governed by ________. A) peers providing signaling B) super nodes C) Skype servers D) direct communication between the calling and receiving peers Difficulty: Deeper Question: 23f Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 79) In which VoIP phase does Skype implement with peer-to-peer service? A) signaling B) login C) both A and B D) neither A nor B Difficulty: Deeper Question: 23g Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 80) Which phase of VoIP is different in traditional VoIP and Skype? A) signaling B) transport C) login D) none of the above Difficulty: Deeper Question: 23h Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 81) Tor provides confidentiality ________. A) only between the source host and the first Tor router B) all the way to the destination host C) both A and B D) neither A nor B Difficulty: Deeper Question: 24a Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 82) Tor provides the sending host with ________. A) end-to-end confidentiality B) anonymity C) both A and B D) neither A nor B Difficulty: Deeper Question: 24b Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 83) When a message arrives at a Tor router, the router ________. A) decrypts the arriving message B) erases its memory of the source address C) both A and B D) neither A nor B Difficulty: Deeper Question: 24c Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge 84) In Tor, ________ can read the content of the message delivered to the destination host. A) no Tor router B) all Tor routers C) the first Tor router D) the last Tor router Difficulty: Deeper Question: 24d Objective: Describe why peer-to-peer (P2P) standards and security. AACSB: Applying Information Technology, Analytical Thinking, Application of Knowledge

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