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CISCO - 2
| Question | Answer |
|---|---|
| BGP and OSPF are examples of which type of protocol? network communication network security routing service discovery | routing |
| Which two protocols are service discovery protocols? (Choose two.) DNS TCP SSH DHCP | DNS DHCP |
| This protocol is responsible for guaranteeing the reliable delivery of information. TCP IP HTTP Ethernet | TCP |
| UDP and TCP belong to which layer of the TCP/IP protocol? application transport internet network access | transport |
| Which two protocols belong in the TCP/IP model application layer? EIGRP DNS OSPF ICMP DHCP | DNS DHCP |
| Which protocol operates at the network access layer of the TCP/IP model? HTTP IP DNS Ethernet | Ethernet |
| Which of the following are protocols that provide feedback from the destination host to the source host regarding errors in packet delivery? (Choose two.) IPv4 TCP ICMPv4 IPv6 UDP ICMPv6 | ICMPv4 ICMPv6 |
| Which services are provided by the internet layer of the TCP/IP protocol suite? (Choose three.) File Transfer Address Resolution Routing Protocols Messaging Ethernet Internet Protocol | Routing Protocols Messaging Internet Protocol |
| 1. True or false. Standards organizations are usually vendor-neutral. True False | T |
| This standards organization is responsible for IP address allocation and domain name management. Internet Society (ISOC) Internet Engineering Task Force (IETF) Internet Architecture Board (IAB) Internet Assigned Numbers Authority (IANA) | Internet Assigned Numbers Authority (IANA) |
| What types of standards are developed by the Electronics Industries Alliance (EIA)? electric wiring and connectors radio equipment and cell towers video compression and broadband communications Voice over IP (VoIP) and satellite communications | electric wiring and connectors |
| What is the process of dividing a large data stream into smaller pieces prior to transmission? sequencing duplexing multiplexing segmentation | segmentation |
| What is the PDU associated with the transport layer? segment packet bits frame | segment |
| Which protocol stack layer encapsulates data into frames? data link transport network application | data link |
| What is the name of the process of adding protocol information to data as it moves down the protocol stack? de-encapsulation sequencing segmentation encapsulation | encapsulation |
| True or false? Frames exchanged between devices in different IP networks must be forwarded to a default gateway. True False | T |
| True or false? The right-most part of an IP address is used to identify the network that a device belongs to. True False | F |
| What is used to determine the network portion of an IPv4 address? subnet mask MAC address right-most part of the IP address left-most part of the MAC address | subnet mask |
| What is the order of the two addresses in the data link frame? source MAC, destination MAC destination MAC, source IP destination IP, source IP destination MAC, source MAC source IP, destination IP | destination MAC, source MAC |
| True or False? Data Link addresses are physical so they never change in the data link frame from source to destination. True False | F |
| What process is used to receive transmitted data and convert it into a readable message? access control decoding encapsulation flow control | decoding |
| What process is used to place one message inside another message for transfer from the source to the destination? access control decoding encapsulation flow control | encapsulation |
| Which logical address is used for delivery of data to a remote network? destination MAC address destination IP address destination port number source MAC address source IP address | destination IP address |
| What is the general term that is used to describe a piece of data at any layer of a networking model? frame packet protocol data unit segment | protocol data unit |
| Which two protocols function at the internet layer? (Choose two.) POP BOOTP ICMP IP PPP | ICMP IP |
| Which layer of the OSI model defines services to segment and reassemble data for individual communications between end devices? application presentation session transport network | transport |
| Which type of communication will send a message to a group of host destinations simultaneously? broadcast multicast unicast anycast | multicast |
| Which three acronyms/initialisms represent standards organizations? (Choose three.) IANA TCP/IP IEEE IETF OSI MAC | IANA IEEE IETF |
| What type of communication will send a message to all devices on a local area network? broadcast multicast unicast allcast | broadcast |
| Which message delivery option is used when all devices need to receive the same message simultaneously? duplex unicast multicast broadcast | broadcast |
| What type of delivery uses data link layer addresses? remote delivery local and remote delivery local delivery remote delivery using routers | local delivery |
| What layer of the TCP/IP protocol model determines the best path through the network? application transport internet network access | internet |
| True or false? The physical layer is only concerned with wired network connections. true false | T |
| True or false? When a frame is encoded by the physical layer, all bits are sent over the media at the same time. true false | F |
| The physical layer of the receiving device passes bits up to which higher level layer? application presentation network data link | data link |
| What PDU is received by the physical layer for encoding and transmission? frame segment packet | frame |
| Which media uses patterns of microwaves to represent bits? copper wireless fiber-optic | wireless |
| Which media uses patterns of light to represent bits? copper wireless fiber-optic | fiber-optic |
| Which media uses electrical pulses to represent bits? copper wireless fiber-optic | copper |
| Which of these is the name for the capacity of a medium to carry data? bandwidth throughput goodput | bandwidth |
| Which of these is a measure of the transfer of bits across the media? bandwidth throughput goodput | throughput |
| Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic cabling for two-way data transmission. UTP STP coaxial | coaxial |
| Which of the following counters EMI and RFI by using shielding techniques and special connectors? UTP STP coaxial | STP |
| Which of the following is the most common network media? UTP STP coaxial | UTP |
| Which of the following terminates with BNC, N type and F type connectors? UTP STP coaxial | coaxial |
| Which of the following fiber-optic cable types can help data travel approximately 500 meters? multimode single-mode | multimode |
| Which of the following fiber-optic cable types use light emitting diodes (LEDs) as a data light source transmitter? multimode single-mode | multimode |
| Which of the following fiber-optic cable types use lasers in a single stream as a data light source transmitter? multimode single-mode | single-mode |
| Which of the following fiber-optic cable types is used to connect long-distance telephony and cable TV applications? multimode single-mode | single-mode |
| Which of the following fiber-optic cable types can travel approximately 100 km? multimode single-mode | single-mode |
| Which of the following fiber-optic cable types is used within a campus network? multimode single-mode | multimode |
| True or false. Wireless is not well suited for enterprise networks. true false | F |
| True or false. Wireless LANs operate in full-duplex allowing all devices to send or receive data at the same time so the number of users does not impact performance. true false | F |
| Which of the following wireless standards is best suited for industrial and IoT environments? Zigbee WiMAX Wi-Fi Bluetooth | Zigbee |
| Which of the following wireless standards is used for Personal Area Networks (PANs) and allows devices to communicate over distances of 1 to 100 meters? Zigbee WiMAX Wi-Fi Bluetooth | Bluetooth |
| Which standards organization oversees development of wireless LAN standards? IANA IEEE IOS TIA | IEEE |
| What type of cable is used to connect a workstation serial port to a Cisco router console port? crossover rollover straight-through coaxial | rollover |
| Which type of UTP cable is used to connect a PC to a switch port? console rollover crossover straight-through | straight-through |
| What is a characteristic of UTP cabling? cancellation cladding immunity to electrical hazards woven copper braid or metallic foil | cancellation |
| What is the purpose of the OSI physical layer? controlling access to media transmitting bits across the local media performing error detection on received frames exchanging frames between nodes over physical network media | transmitting bits across the local media |
Created by:
hdjks