Practice Test B Questions with Verified Answers

Which of these is a general category of scope for a network used over great distances? - ANSWERSWAN Which specific type of network configuration is often used in the case of a single institution consisting of multiple and collocated buildings? - ANSWERSCAN A junior network technician is configuring voice control of devices in the CEO's cabin. Which type of IoT network is established in the given scenario? - ANSWERSPAN Which topology consists of two distinct and terminated ends, with each of its computers connecting to one unbroken cable running its entire length? - ANSWERSBus A node on the logical network isn't described by its physical location but rather by its address. - ANSWERST Which of the following leased line has a maximum data rate of 1.544 Mbps? - ANSWERST1 NFV is the process of taking networking functions (such as routers, switches, firewalls, load balancers, and controllers) and virtualizing them. - ANSWERST The network layer of the OSI model is responsible for identifying and establishing the availability of the intended communication partner and determining whether sufficient resources for the requested communication exist - ANSWERSF Which of these is not included in the layer 2 protocol of the OSI model? - ANSWERSIPv4 protocol Which of the following statements are true about the presentation layer of the OSI model? Each correct answer represents a complete solution. Choose all that apply. - ANSWERSIt controls the formatting and security of data. It is sometimes called the syntax layer. Which of the following layers of the OSI model translates physical layer bits to and from ordered packets called frames, transfers them between nodes, and optionally receives acknowledgment of their receipt? - ANSWERSData link Which of the following components is the transparent optical fiber that carries the signal and is made out of silica glass, which is far more transparent than ordinary consumer glass? - ANSWERSCore Why is return loss a problem? Each correct answer represents a complete solution. Choose all that apply. - ANSWERSBecause it causes interference Because less signal reaches the receiver Some connections use intelligent demarc that performs signal translation or routing. - ANSWERST If an Ethernet segment needs to connect to another segment that uses Wi-Fi, Token Ring, or even a different Ethernet speed, a repeater can join them. - ANSWERSF Broadband is frequently used for referring to fast Internet connections instead of slow ones. - ANSWERST A narrowband transmission is highly susceptible to interference, either from noise sources or another network or electronic device using the same channel. - ANSWERST What is the wavelength of MMF? - ANSWERSAround 850 nm or 1300 nm Which of the following devices should a network administrator configure on the outermost part of a network? - ANSWERSFirewall Which of the following statements are correct about network connectivity? Each correct answer represents a complete solution. Choose all that apply. - ANSWERSThe target system must be able to recognize and act on the data it receives. There must be a physical connection between all points on the network. Each system on the network must be able to transmit information to any other system with which it might want to communicate. Which of the following statements are true about load balancer configurations? Each correct answer represents a complete solution. Choose all that apply. - ANSWERSIn the round-robin method, servers are listed in order, and each request goes to the server next in line. The least-connection method is more complicated to implement than round-robin, but it's better able to deal with services that have variable session lengths.