Chapter 5
4. When would a printer be considered a network host?
when it is connected to a switch
43. Which technology is most often used to connect devices to a PAN?
Bluetooth
30. Which memory module has a front side bus speed of 200 MHz?
DDR-400
33. A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
DNS
2. A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector?
Power supply
3. Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
RFI EMI
5. Which type of memory is primarily used as cache memory?
SRAM
19. A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency?
SSD
18. Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
amount of RAM number of CPU cores
13. Which device provides wireless connectivity to users as its primary function?
access point
2. Which two devices are commonly powered by PoE? (Choose two.)
access point IP phone
16. Which well-known port number is used by the DHCP (client) protocol?
68
6. How many devices can a Bluetooth device connect to simultaneously?
7
32. What type of connector can be used to connect an eSATA interface to an external SATA drive?
7 pin connector
11. Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
802.11n
31. Refer to the exhibit. Which type of video card expansion slot is depicted?
AGP
24. A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
FTP
40. A technician is searching through a storage locker and finds an access point. What is the purpose of this device?
It uses radio waves to provide network access to wireless devices.
30. A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
LDAP
32. A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
LDAP
45. Which device acts as a termination point for cable runs and keeps cables secure and safely out of walkways?
Patch panel
48. What type of connector is used to connect an analog modem to a telephone line socket?
RJ-11
13. What type of connector can be used to connect an internal hard drive to the motherboard?
SATA
29. A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
Telnet
17. A technician with a PC is using multiple applications while connected to the Internet. How is the PC able to keep track of the data flow between multiple application sessions and have each application receive the correct packet flows?
The data flow is being tracked based on the source port number that is used by each application.
14. Which two factors must be considered when replacing old RAM modules in a PC? (Choose two.)
The new RAM must be compatible with the motherboard. The speed of the new RAM must be supported by the chipset.
33. Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system?
back of power supply
15. Which term is used to define the wires on a motherboard that move data from one part of a computer to another?
bus
7. Which component controls the communications and interactions between the CPU and other components on the motherboard?
chipset
21. Which network device allows administrators to remotely manage many devices through one dashboard interface?
cloud-based network controller
3. What electrical unit refers to the number of electrons moving through a circuit per second?
current
26. Which three devices are considered output devices? (Choose three.)
headphones monitor printer
9. Which unit of measurement is used to indicate the hard drive speed?
revolutions per minute
34. Refer to the exhibit. Which type of cable is shown in the graphic?
serial
20. What three components should be included in a computer that is used to create TV commercials and music videos? (Choose three.)
specialized video card large and fast hard drives specialized audio card
7. Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
switch
18. Which type of server would be used to keep a historical record of messages from monitored network devices?
syslog
28. Which two storage devices use a magnetic medium for storing data? (Choose two.)
tape drive hard disk drive
1. What are two factors that must be considered when choosing a computer case? (Choose two.)
the number of internal drive locations the size of the motherboard and the power supply
29. Which two pieces of information are needed before selecting a power supply? (Choose two.)
the total wattage of all components the form factor of the case
46. What is a feature of a dial-up connection?
the use of an analog modem to transmit data over voice telephone lines
4. What characteristic of electricity is expressed in watts?
the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
15. A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
DSL modem
25. A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
NetBIOS (NetBT)
23. Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?
executive disable lock bit
14. Which type of connection to the Internet is capable of the fastest transfer rates?
fiber
5. A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
fiber optic
12. Which pairs of wires change termination order between the 568A and 568B standards?
green and orange
21. What are two hardware requirements for computers that will be used to run multiple virtual machines? (Choose two.)
large amounts of RAM a multicore CPU
27. Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?
large amounts of fast RAM
22. Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
line of sight wireless
16. When a new PC is being built, which component has the most influence when selecting the case and power supply?
motherboard
6. Refer to the exhibit. Which type of adapter is shown?
network interface
12. What is indicated by the contrast ratio of a monitor?
the difference in the intensity of light between the brightest white and darkest black that can be displayed
27. A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
IMAP
37. A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?
It connects a home or business network to a company that provides internet connectivity as well as television signals.
35. A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?
It connects multiple end devices and can be configured for VLANs and port security.
9. What is a characteristic of a WAN?
It connects multiple networks that are geographically separated.
41. A technician is searching through a storage locker and finds a router. What is the purpose of this device?
It connects networks and forwards traffic to remote networks by using IP addressing information.
39. A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?
It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
42. A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?
It is a device that allows a network administrator to manage many remote networking devices from a central location.
34. A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?
It is a device that can be inserted in the middle of a cable run to add power.
36. A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?
It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
38. A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?
It is a device whose sole purpose is to connect end devices and to microsegment a LAN.
49. A technician is searching through a storage locker and finds a Cisco ASA 5505-X (UTM). What is the purpose of this device?
It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
the use of an analog modem to transmit data over voice telephone lines
It is needed to connect a computer to a wired local-area network.
44. A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
It is placed between two or more networks and protects data and equipment from unauthorized access.
50. A technician is searching through a storage locker and finds a patch panel. What is the purpose of this device?
It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
31. A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
SMTP
28. A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
SNMP
26. A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
SSH
19. Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
UTM
20. Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Z-wave
8. Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
access to the RAM access to the video card
10. What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
application, transport, internet, network access
22. Which memory technology allows two memory modules to be accessed at the same time?
dual channel
23. Which type of server would support the SMTP, POP, and IMAP protocols?
17. What is the function of the power supply?
to convert AC power into a lower voltage DC power
8. What is a common function of a proxy server?
to store frequently accessed web pages on the internal network
1. A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
wireless access point switch router
