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Cisco IT Essentials 7.0 - Chapter 5: Networking Concepts Exam
Preguntas del test (44)
1A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
- Aweb server
- Bswitch
- Crouter
- Demail server
- Ewireless access point
- Fprint server
2Which two devices are commonly powered by PoE? (Choose two.)
- Aaccess point
- Bcore switch
- CIP phone
- Dmodular switch
- Erouter
3Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
- ARFI
- Bwhite noise
- CMDF
- Ddispersion
- EEMI
4When would a printer be considered a network host?
- Awhen it is connected to a switch
- Bwhen it is connected to a workstation
- Cwhen it is connected to a laptop
- Dwhen it is connected to a PC
5Which technology is most often used to connect devices to a PAN?
- ABluetooth
- Bfiber optic cabling
- CIEEE 802.11n wireless
- Dcoaxial cabling
6A 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?
- ASTP
- Bcoaxial
- Cfiber optic
- DUTP
7How many devices can a Bluetooth device connect to simultaneously?
- A127
- B7
- C10
- D24
- E5
8Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
- Arepeater
- Bhub
- Cswitch
- Drouter
9What is a common function of a proxy server?
- Ato store frequently accessed web pages on the internal network
- Bto control who is permitted to access the internal network
- Cto detect malicious signatures by monitoring traffic that is entering the internal network
- Dto provide access to a shared pool of configurable computing resources
10What is a characteristic of a WAN?
- AIt connects multiple networks that are geographically separated.
- BIt spans across a campus or city to enable sharing of regional resources.
- CIt is typically owned and managed by a single home or business.
- DIt requires a wireless access point to connect users to the network.
11What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
- Aapplication, session, network, data link, physical
- Bapplication, internet, network access, transport
- Cnetwork access, transport, internet, application
- Dapplication, transport, internet, network access
12Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
- A802.11n
- B802.11g
- C802.11b
- D802.11a
13Which pairs of wires change termination order between the 568A and 568B standards?
- Agreen and orange
- Bgreen and brown
- Cblue and brown
- Dbrown and orange
14Which device provides wireless connectivity to users as its primary function?
- Aswitch
- Brouter
- Caccess point
- Dmodem
15Which type of connection to the Internet is capable of the fastest transfer rates?
- AISDN
- BPOTS
- Csatellite
- Dcable
- Efiber
16A user needs to access the Internet from home. Which device is needed if a user connects to an ISP through the telephone network?
- Aswitch
- Bserver
- CDSL modem
- Dwireless access point
17Which well-known port number is used by the DHCP (client) protocol?
- A67
- B68
- C20
- D80
- E53
18A 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?
- AThe data flow is being tracked based on the destination MAC address of the technician PC.
- BThe data flow is being tracked based on the source port number that is used by each application.
- CThe data flow is being tracked based on the source IP address that is used by the PC of the technician.
- DThe data flow is being tracked based on the destination IP address that is used by the PC of the technician.
19Which type of server would be used to keep a historical record of messages from monitored network devices?
- ADHCP
- BDNS
- Cprint
- Dauthentication
- Esyslog
20Which network device would be the most appropriate to provide stateful packet filtering, email filtering, and VPN services?
- Arouter
- Bendpoint management server
- Cproxy server
- DUTM
- ETPM
21Which smart home wireless technology has an open standard that allows up to 232 devices to be connected?
- A802.11ac
- B802.11n
- CZ-Wave
- DZigbee
22Which network device allows administrators to remotely manage many devices through one dashboard interface?
- Acloud-based network controller
- BPower over Ethernet
- Cswitch that supports VLANs
- Dpowerline networking
23Which internet connection type is an always-on service that uses radio signals sent from a tower to a receiver in a home or business?
- Aline of sight wireless
- Bsatellite
- Chotspot
- Dcellular
24Which type of server would support the SMTP, POP, and IMAP protocols?
- ADHCP
- Bemail
- Cproxy
- Dsyslog
25A client packet is received by a server. The packet has a destination port number of 21. What service application is the client requesting?
- AFTP
- BLDAP
- CSLP
- DSNMP
26A client packet is received by a server. The packet has a destination port number of 137. What service application is the client requesting?
- ANetBIOS (NetBT)
- BSMB/CIFS
- CHTTPS
- DSLP
27A client packet is received by a server. The packet has a destination port number of 22. What service application is the client requesting?
- ASSH
- BSMB/CIFS
- CHTTPS
- DSLP
28A client packet is received by a server. The packet has a destination port number of 143. What service application is the client requesting?
- AIMAP
- BSMB/CIFS
- CHTTPS
- DSLP
29A client packet is received by a server. The packet has a destination port number of 161. What service application is the client requesting?
- ASNMP
- BSMB/CIFS
- CHTTPS
- DSLP
30A client packet is received by a server. The packet has a destination port number of 23. What service application is the client requesting?
- ATelnet
- BSMB/CIFS
- CHTTPS
- DSLP
31A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
- ALDAP
- BSMB/CIFS
- CHTTPS
- DSLP
32A client packet is received by a server. The packet has a destination port number of 25. What service application is the client requesting?
- ASMTP
- BSMB/CIFS
- CHTTPS
- DSLP
33A client packet is received by a server. The packet has a destination port number of 389. What service application is the client requesting?
- ALDAP
- BPOP3
- CHTTP
- DNetBIOS (NetBT)
34A technician is searching through a storage locker and finds a PoE injector. What is the purpose of this device?
- AIt is a device that can be inserted in the middle of a cable run to add power.
- BIt is a device that allows a network administrator to manage many remote networking devices from a central location.
- CIt connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
- DIt connects a home or business network to a company that provides internet connectivity as well as television signals.
35A technician is searching through a storage locker and finds a managed switch. What is the purpose of this device?
- AIt connects multiple end devices and can be configured for VLANs and port security.
- BIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- CIt provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
- DIt is placed between two or more networks and protects data and equipment from unauthorized access.
36A technician is searching through a storage locker and finds a Powerline networking connector. What is the purpose of this device?
- AIt is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
- BIt is placed between two or more networks and protects data and equipment from unauthorized access.
- CIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- DIt connects networks and forwards traffic to remote networks by using IP addressing information.
37A technician is searching through a storage locker and finds a cable modem. What is the purpose of this device?
- AIt connects a home or business network to a company that provides internet connectivity as well as television signals.
- BIt is placed between two or more networks and protects data and equipment from unauthorized access.
- CIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- DIt connects networks and forwards traffic to remote networks by using IP addressing information.
38A technician is searching through a storage locker and finds an unmanaged switch. What is the purpose of this device?
- AIt is a device whose sole purpose is to connect end devices and to microsegment a LAN.
- BIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- CIt provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
- DIt is placed between two or more networks and protects data and equipment from unauthorized access.
39A technician is searching through a storage locker and finds a DSL modem. What is the purpose of this device?
- AIt connects the network of a user to the digital infrastructure of a phone company, providing always-on service.
- BIt is placed between two or more networks and protects data and equipment from unauthorized access.
- CIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- DIt connects networks and forwards traffic to remote networks by using IP addressing information.
40A technician is searching through a storage locker and finds an access point. What is the purpose of this device?
- AIt uses radio waves to provide network access to wireless devices.
- BIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- CIt provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
- DIt is placed between two or more networks and protects data and equipment from unauthorized access.
41A technician is searching through a storage locker and finds a router. What is the purpose of this device?
- AIt connects networks and forwards traffic to remote networks by using IP addressing information.
- BIt is an all-in-one security appliance that includes IDS/IPS functionality as well as stateful firewall services.
- CIt provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
- DIt is placed between two or more networks and protects data and equipment from unauthorized access.
42A technician is searching through a storage locker and finds a cloud-based network controller. What is the purpose of this device?
- AIt is a device that allows a network administrator to manage many remote networking devices from a central location.
- BIt transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.
- CIt provides a wired or wireless connection between end devices, switches, and routers and in some cases, can regenerate weak signals.
- DIt is a device that can be inserted in the middle of a cable run to add power.
43A technician is searching through a storage locker and finds a firewall. What is the purpose of this device?
- AIt is placed between two or more networks and protects data and equipment from unauthorized access.
- BIt is a device that can be inserted in the middle of a cable run to add power.
- CIt transfers small amounts of DC current over Ethernet cables to power low voltage devices such as wireless access points and surveillance cameras.
- DIt is a device that uses existing electrical wiring to connect devices and sends data using specific frequencies.
44A client packet is received by a server. The packet has a destination port number of 53. What service application is the client requesting?
- ADNS
- BNetBIOS (NetBT)
- CPOP3
- DIMAP
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