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Cisco IT Essentials 7.0 - Chapter 5: Networking Concepts Exam

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Resource summary

Question 1

Question
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.)
Answer
  • web server
  • switch
  • router
  • email server
  • wireless access point
  • print server

Question 2

Question
Which two devices are commonly powered by PoE? (Choose two.)
Answer
  • access point
  • core switch
  • IP phone
  • modular switch
  • router

Question 3

Question
Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
Answer
  • RFI
  • white noise
  • MDF
  • dispersion
  • EMI

Question 4

Question
When would a printer be considered a network host?
Answer
  • when it is connected to a switch
  • when it is connected to a workstation
  • when it is connected to a laptop
  • when it is connected to a PC

Question 5

Question
Which technology is most often used to connect devices to a PAN?
Answer
  • Bluetooth
  • fiber optic cabling
  • IEEE 802.11n wireless
  • coaxial cabling

Question 6

Question
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?
Answer
  • STP
  • coaxial
  • fiber optic
  • UTP

Question 7

Question
How many devices can a Bluetooth device connect to simultaneously?
Answer
  • 127
  • 7
  • 10
  • 24
  • 5

Question 8

Question
Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
Answer
  • repeater
  • hub
  • switch
  • router

Question 9

Question
What is a common function of a proxy server?
Answer
  • to store frequently accessed web pages on the internal network
  • to control who is permitted to access the internal network
  • to detect malicious signatures by monitoring traffic that is entering the internal network
  • to provide access to a shared pool of configurable computing resources

Question 10

Question
What is a characteristic of a WAN?
Answer
  • It connects multiple networks that are geographically separated.
  • It spans across a campus or city to enable sharing of regional resources.
  • It is typically owned and managed by a single home or business.
  • It requires a wireless access point to connect users to the network.

Question 11

Question
What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
Answer
  • application, session, network, data link, physical
  • application, internet, network access, transport
  • network access, transport, internet, application
  • application, transport, internet, network access

Question 12

Question
Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
Answer
  • 802.11n
  • 802.11g
  • 802.11b
  • 802.11a

Question 13

Question
Which pairs of wires change termination order between the 568A and 568B standards?
Answer
  • green and orange
  • green and brown
  • blue and brown
  • brown and orange

Question 14

Question
Which device provides wireless connectivity to users as its primary function?
Answer
  • switch
  • router
  • access point
  • modem

Question 15

Question
Which type of connection to the Internet is capable of the fastest transfer rates?
Answer
  • ISDN
  • POTS
  • satellite
  • cable
  • fiber

Question 16

Question
A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
Answer
  • switch
  • server
  • DSL modem
  • wireless access point

Question 17

Question
Which well-known port number is used by the DHCP (client) protocol?
Answer
  • 67
  • 68
  • 20
  • 80
  • 53

Question 18

Question
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?
Answer
  • The data flow is being tracked based on the destination MAC address of the technician PC.
  • The data flow is being tracked based on the source port number that is used by each application.
  • The data flow is being tracked based on the source IP address that is used by the PC of the technician.
  • The data flow is being tracked based on the destination IP address that is used by the PC of the technician.

Question 19

Question
Which type of server would be used to keep a historical record of messages from monitored network devices?
Answer
  • DHCP
  • DNS
  • print
  • authentication
  • syslog

Question 20

Question
Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
Answer
  • router
  • endpoint management server
  • proxy server
  • UTM
  • TPM

Question 21

Question
Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
Answer
  • 802.11ac
  • 802.11n
  • Z-Wave
  • Zigbee

Question 22

Question
Which network device allows administrators to remotely manage many devices through one dashboard interface?
Answer
  • cloud-based network controller
  • Power over Ethernet
  • switch that supports VLANs
  • powerline networking

Question 23

Question
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?
Answer
  • line of sight wireless
  • satellite
  • hotspot
  • cellular

Question 24

Question
Which type of server would support the SMTP, POP, and IMAP protocols?
Answer
  • DHCP
  • email
  • proxy
  • syslog

Question 25

Question
A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
Answer
  • FTP
  • LDAP
  • SLP
  • SNMP

Question 26

Question
A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
Answer
  • NetBIOS (NetBT)
  • SMB/CIFS
  • HTTPS
  • SLP

Question 27

Question
A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
Answer
  • SSH
  • SMB/CIFS
  • HTTPS
  • SLP

Question 28

Question
A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
Answer
  • IMAP
  • SMB/CIFS
  • HTTPS
  • SLP

Question 29

Question
A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
Answer
  • SNMP
  • SMB/CIFS
  • HTTPS
  • SLP

Question 30

Question
A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
Answer
  • Telnet
  • SMB/CIFS
  • HTTPS
  • SLP

Question 31

Question
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
Answer
  • LDAP
  • SMB/CIFS
  • HTTPS
  • SLP

Question 32

Question
A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
Answer
  • SMTP
  • SMB/CIFS
  • HTTPS
  • SLP

Question 33

Question
A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
Answer
  • LDAP
  • POP3
  • HTTP
  • NetBIOS (NetBT)

Question 34

Question
A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?
Answer
  • It is a device that can be inserted in the middle of a cable run to add power.
  • It is a device that allows a network administrator to manage many remote networking devices from a central location.
  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
  • It connects a home or business network to a company that provides internet connectivity as well as television signals.

Question 35

Question
A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?
Answer
  • It connects multiple end devices and can be configured for VLANs and port security.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Question 36

Question
A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?
Answer
  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Question 37

Question
A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?
Answer
  • It connects a home or business network to a company that provides internet connectivity as well as television signals.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Question 38

Question
A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?
Answer
  • It is a device whose sole purpose is to connect end devices and to microsegment a LAN.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Question 39

Question
A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?
Answer
  • It connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It connects networks and forwards traffic to remote networks by using IP addressing information.

Question 40

Question
A technician is searching through a storage locker and finds an access point. What is the purpose of this device?
Answer
  • It uses radio waves to provide network access to wireless devices.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Question 41

Question
A technician is searching through a storage locker and finds a router. What is the purpose of this device?
Answer
  • It connects networks and forwards traffic to remote networks by using IP addressing information.
  • It is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
  • It is placed between two or more networks and protects data and equipment from unauthorized access.

Question 42

Question
A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?
Answer
  • It is a device that allows a network administrator to manage many remote networking devices from a central location.
  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.
  • It provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
  • It is a device that can be inserted in the middle of a cable run to add power.

Question 43

Question
A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
Answer
  • It is placed between two or more networks and protects data and equipment from unauthorized access.
  • It is a device that can be inserted in the middle of a cable run to add power.
  • It transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.
  • It is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.

Question 44

Question
A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
Answer
  • DNS
  • NetBIOS (NetBT)
  • POP3
  • IMAP
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