Domain 2: Review Questions Flashcards
You are creating specifications for a network cabling install. The cable needs to sustain speeds of 1 Gbps, and the cabling will be installed in the welding area of your plant. What type of cabling should you specify?
A. Category 5 cable
B. UTP cable
C. STP cable
D. Coaxial cable
C. STP cable
You are creating the specification for the cabling install between two buildings on your local network campus. You estimate that the buildings will be 2500 feet apart, and you need to suply 40 Gbps network speeds between them. Which cabling type should you specify?
A. Category 7 cable
B. Coaxial cable
C. Multimode fiber-optic cable
D. Single-mode fiber-optic cable
D. Single-mode fiber-optic cable
Your building is being renovated, and during the renovation much of the network cabling in the ceiling must be replaced. As the senior network administrator, you are responsible for deciding the cabling to be used. Which network cabling type should you recommend for the new network cabling?
A. Stranded PVC cabling
B. Stranded plenum cabling
C. Solid-core PVC cabling
D. Solid-core plenum cabling
D. Solid-core plenum cabling
You need to decide which cable connectors to order for a coaxial cable installation at a hotel you administer. The cable installation will provide guests with Internet access over MoCA set-top boxes. Which cable connectors will most likely be used?
A. F-connectors
B. BNC Connectors
C. RJ-11 connectors
D. LC connectors
A. F-connectors
Which fiber-optic cable connector has a similar locking mechanism as a BNC connector?
A. LC connector
B. ST connector
C. SC connector
D. MTRJ connector
B. ST connector
You are creating a specification for the equipment to be installed between two buildings that requires 400 Gbps network speeds. Which type of transceiver should you require in your search for the network equipment to support?
A. SFP transceivers
B. SFP+ transceivers
C. QSFP transceivers
D. GBIC transceivers
B. SFP+ transceivers
Your company requires fault-tolerant high-speed network connectivity between two locations. You are working with a dark fiber-optic provider and want to minimize monthly reocurring costs. What should be ordered to minimize reoccurring costs and maintain the equipment?
A. Two strands of fiber-optic cable and duplex transceivers
B. Two strands of fiber-optic cable and bidirectional transceivers
C. Four strands of fiber-optic cable and duplex transceivers
D. Four strands of fiber-optic cable and bidirectional transceivers
B. Two strands of fiber-optic cable and bidirectional transceivers
Which termination point allows for easier diagnostics of Ethernet wiring problems to users’ computers in your network?
A. 66-block
B. 110-block
C. Patch panels
D. Fiber-optic distribution panel
C. Patch panels
Your comany is creating a new office and you want to future-proof the Ethernet network for 10 Gbps speeds. Which type of cabling should you recommend be installed?
A. Category 5 cabling
B. Category 5e cabling
C. Category 6 cabling
D. Category 6a cabling
D. Category 6a cabling
Currently your network is running 100 Mbps switching equipment. You need to raise the bandwidth to the desktops to 1 Gbps. You examine the existing cabling and find that Category 5e cable has been installed. What will you recommend to achieve the goal while keeping costs to a minimum?
A. Replace only the switch equipment.
B. Replace both the switching equipment and replace the wiring with Category 6a cabling.
C. Replace botht he switching equipment and replace the wiring with Category 7 cabling.
D. Replace both the switching equipment and replace the wiring with Category 6 cabling.
A. Replace only the switch equipment.
Which cable specification is not recognized by the TIA/EIA standards?
A. Category 3 cable
B. Category 6 cable
C. Category 6a cable
D. Category 7 cable
D. Category 7 cable
In which scenarios must you use a crossover Ethernet cable?
A. Connecting a router to a switch
B. Connecting a switch to a switch without auto-MDIX
C. Connecting a switch to a computer
D. Connecting a switch to a firewall
B. Connecting a switch to a switch without auto-MDIX
Which IEEE Ethernet specification defines a maximum distance of 550 meters at 1 Gbps?
A. 1000BaseT
B. 1000BaseLX
C. 1000BaseSX
D. 10GBaseT
C. 1000BaseSX
Which devices provide the lowest latency and highest bandwith for connectivity?
A Hubs
B. Switches
C. Bridges
D. Routers
B. Switches
Wich networking component allows you to detect and prevent malicious network activity?
A. Firewall
B. IDS/IPS
C. Proxy server
D. Contect filter
B. IDS/IPS
Which network component will allow a VPN concentrator to authenticate a remote VPN user?
A. Firewall
B. Contect filter
C. NGFW/Layer 7 Firewall
D. RADIUS server
D. RADIUS server
You currently have a PBX that does not support VoIP. Which network component can you use to provide VoIP support to this PBX?
A. VoIP PBX
B. VoIP gateway
C. SIP server
D. SIP provider
B. VoIP gateway
Which type of hypervisor allows a virtual machine to directly share the resources of RAM and CPU without the help of operating system?
A. Type 1 hypervisor
B. Type 2 hypervisor
C. Hybrid hypervisor
D. All of the above
A. Type 1 hypervisor
Which storage technology uses dedicated switches to create a storage network for block-level storage?
A. iSCSI
B. FCoE
C. Fiber Channel
D. NAS
C. Fiber Channel
You currently us an iSCSI storage unit for your host storage. Recently you suffered a performance problem and found that the CPU utilization on the hosts is higher than expected. What can you do to reduce the CPU utilization while keeping costs low?
A. Replace the iSCSI storage unit with Fiber Channel.
B. Implement FCoE as the host access protocol.
C. Replace the iSCSI storage unit with InfiniBand.
D. Implement jumbo frames for the iSCSI unit.
D. Implement jumbo frames for the iSCSI unit.
Which technology uses one channel of 24 channels for call setup?
A. ISDN
B. T1 leased line
C. T3 leased line
D. E1 leased line
A. ISDN
You need to provide network connectivity to a remote site on the side of a mountainous terrain. Which technology should you investigate that would cost the least on the initial buildout?
A. Metropolitan Ethernet
B. WiMAX
C. DSL
D. MPLS
B. WiMAX
You maintain several branch offices that use VPN connectivity to communicate with the main office. You notice that your bandwidth usage has increased at the main office as workers access resources at other branch offices. Which technology might help you lower bandwidth usage at the main office?
A. Frame Relay
B. Metropolitan Ethernet
C. MPLS
D. DMVPN
D. DMVPN
Your company is getting a new DSL Internet circuit. Which protocol will you need to configure to allow it to work?
A. PPP
B. PPPoE
C. DSLAM
D. PADI
B. PPPoE
You are having problems with your ISDN circuit. When the ISDN provider dispatches a technician to your location, where will they perform diagnostic tests when they are on site?
A. Loopback
B. Demarcation point
C. CSU/DSU
D. CPE
B. Demarcation point
