Quiz
Ethernet Networks In Review - Chapter 3
Questions in this quiz (37)
1What is Ethernet ? (Choose two)
- AEthernet is a trademark for a family of Ethernet technologies for Local Area Networks (LANs) was introduced in 1980 and standardized in 1985 as IEEE 802.3
- BEthernet is a contention based media access method that allows all hosts on a network to share the same bandwidth of a link.
- CEthernet is a access method that provides end to end delivery during network services.
2What is a collision domain?
- AThis is an Ethernet term describing two devices on one physical segment both sends out a packet at the same time. This will result in a collision and forcing both devices to retransmit at a later time. A collision domain is typically found in a Hub network environment.
- BA collision domain is a feature where a device fails to send a packet to the network and tries to resend the packet.
3What is a broadcast domain?
- AIts part of a network technology that provides broadcasts for all hosts connected to the internetwork.
- BThis refers to a group of devices on a network segment that hear all the broadcasts sent on that network segment.
4 Carrier Sense Multiple Access w/collision detection (CSMA/CD) is a protocol that helps devices share the bandwidth evenly without having two devices transmit at the same time on the network medium.
- ATrue
- BFalse
5When two devices send out a packet at the same time on the same segment causing a collision, how does CSMA/CD act on resolving this? (Choose four)
- AA jam signal informs all devices that a collision occurred.
- BThe collision triggers a random back off algorithm.
- CThe signal provides the devices to generate an inquiry file log.
- DEach device on the segment stops transmitting for a short time until their backoff timers expire.
- EAll hosts have equal priority to transmit after the timers have expired.
6What is the difference between Half Duplex and Full Duplex Ethernet?
- A Half Duplex uses just one pair on the network cable wire with a signal running in both directions. It also uses CSMA/CD protocol to help detect and prevent collisions. Half Duplex is typically run on hub environments.
- B Full Duplex uses one pair on the network cable wire with a signal running in both directions which offers a collision free network segment.
- CHalf Duplex uses two pairs on the network cable wire with a signal running in both directions which is a collision free network segment. Half Duplex is typically run on hub environments.
- DFull Duplex uses two pairs on the network cable wire with a signal running in both directions which offers a collision free network segment.
7Full Duplex Ethernet can run on Hub device environments
- ATrue
- BFalse
8Full Duplex mode requires a dedicated switch port and a host network card that is capable of Full Duplex mode .
- ATrue
- BFalse
9Ethernet at the Data Link layer is responsible for Ethernet addressing that is commonly referred to as ______________ addressing or _____________ addressing.
- ALogical
- BHardware
- CMAC
10In the Data Link layer there are four different types of Ethernet frames.
- AEthernet_II
- BIEEE 802.3
- CMedia Access Control (MAC)
- DSub Network Access Protocol (SNAP)
- EIEEE 802.2
11Ethernet_II frame is the most commonly used
- ATrue
- BFalse
12For Ethernet what is the most commonly used frame?
- ASub Network Access Protocol (SNAP)
- BEthernet_II
13For wireless specifications what is the most commonly used frame?
- ASub Network Access Protocol (SNAP)
- BEthernet_II
14What makes up Ethernet Addressing ?
- AIt uses Media Access Control (MAC) which is a sublayer of the Data Link Layer
- BThe MAC is a 48 bit (6 byte) address burned into every Ethernet network interface card (NIC) but it can be overridden.
- CIt uses Media Access Control (MAC) which is a sublayer of the Physical Layer
- DThe MAC address is divided into two parts, first 24 bits is called the Organizational Unit Identifier (OUI) and the second 24 bits are Vendor assigned.
15What are the values of a nibble and a byte in binary numbering?
- AA nibble is 8 bits with the value of each bit are the following: 128 64 32 16 8 4 2 1
- BA byte is 8 bits with the value of each bit are the following: 128 64 32 16 8 4 2 1
- CA byte is 4 bits with the value of each bit are the following: 8 4 2 1
- DA nibble is 4 bits with the value of each bit are the following: 8 4 2 1
16Each hex character has a value of one _______ and every two hex characters has the value of one _____
- AEach hex character has a value of one byte (8 bits) and every two hex characters has the value of one nibble (4 bits).
- BEach hex character has a value of one nibble (4 bits) and every two characters has the value of one byte (8 bits).
17In order to convert a hex value to a decimal value, you must first convert hex into binary, then add the binary values that will result in the decimal value.
Example: 0xC84 => 1100 1000 0100 => 2048 + 1024 + 128 + 4 => 3204- ATrue
- BFalse
18In order to convert binary to hex, you must first break the 8 bit binary into two 4 bit nibbles, then add up each nibble value separately which will result in the hex value.
Example: 01010101 => 0101 => 5 and 0101 => 5 , now add the two nibble values separately in hex format using "0x" => 0x55- ATrue
- BFalse
19The Data Link layer is responsible for combining bits into bytes and bytes into frames.
- ATrue
- BFalse
20What are the three types of media access methods for Ethernet networks?
- AContention (Ethernet)
- BCSMA/CD (Carrier Sense Multiple Access/Collision Detection
- CPolling (IBM Mainframes)
- DToken Passing (Token Ring and Fiber Distributed Data Interface - FDDI)
21Encapsulating a frame within a different type of frame is called Tunneling.
- ATrue
- BFalse
22The Ethernet_II frame contains what field that is used to identify the network upper layer protocol.
- AType field
- BLength field
23SNAP frame has its own protocol field to identify the upper-layer protocol. How can you identify a SNAP Frame?
- A
SNAP frame contains a field that is identified by Ethernet by its header. - BSNAP frame has the DSAP and SSAP fields are always AA
- A
24Name the different types of Ethernet Cabling. (Choose three)
- AFiber Optical Cabling (SC/LC)
- BStraight-through Cabling
- CCross-over cabling
- DRolled Cabling
- ECAT5 Cabling
25Straight-Through cables can connect to which devices?
- AHost to switch or hub
- BSwitch to Switch
- CHub to Hub
- DRouter to Switch or hub
- EHub to Switch
- FRouter direct to host
26Crossover cables connect to what devices?
- AHost to switch or hub
- BSwitch to Switch
- CHost to Host
- DHub to Hub
- ERouter direct to host
- FRouter to switch or hub
- GSwitch to hub
27Cross-over cabling connects to what cable pins?
- A1 to 1 , 2 to 2, 3 to 3, 6 to 6 (uses two pairs)
- B1 to 8, 2 to 7, 3 to 6, 4 to 5, 5 to 4, 6 to 3, 7 to 2, 8 to 1 (uses four pairs)
- C1 to 3, 2 to 6 (uses only two pairs)
28Data Encapsulation is data wrapped with protocol information that is created for each layer of the OSI model. To communicate and exchange information each layer uses Protocol Data Units (PDUs)
- ATrue
- BFalse
29What specific name for the PDU at the Transport layer?
- ABits
- BFrames
- CSegments
- DPackets
30What is the specific PDU name for the Data Link Layer?
- ASegment
- BFrames
- CBits
- DPackets
31What is the specific PDU name for the Network Layer?
- ASegment
- BPacket
- CBits
- DFrames
32What is the specific PDU name for the Physical Layer?
- ASegment
- BFrame
- CBits
- DPackets
33The Transport layer when using TCP, it takes the data stream and makes segments and establishes a __________ circuit.
- Aphysical
- Bvirtual
34When TCP completes the virtual circuit session, its defined by the _______ and _________ port numbers.
- Ahigh and well known
- BSource and Destination
35In the Transport Layer, along with the Virtual Circuit session, the source and destination IP address is defined and called a __________.
- AReliable session
- BSocket
36In TCP the destination port number represents the upper layer process (Application). As an example if the destination port was 23 that would be considered a telnet session needed for the receiving host.
- ATrue
- BFalse
37The Network layer is responsible in finding the destination hardware address that will dictate where the packet will go on the local area network (LAN). It does this by sending an ________ request.
- Aping (Packet Internetwork Grouper)
- BARP (Address Resolution Protocol)
Information
- Description
- Understanding LANs in the perspective of Ethernet Technologies
- Author
- sirhulk1
- Language
- English
- Views
- 90
- Tags
- Rating
- No ratings yet Rate this quiz