Term
| What best descibes the function of the network medium? |
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Definition
| It provides the physical connection between networked computers. |
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Term
| What type of network connects local area networks (LANs) in distant locations? |
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Definition
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Term
| What type of network is typically used over copper cable? |
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Definition
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Term
| What statement describes the process of data encapsulation? |
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Definition
| Protocols within the stack perform data encapsulation by adding a header- and, in some cases, a footer- to the information recieved from an upper-layer protocol. |
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Term
| Identify the layer of the open systems interconnection(OSI) model that controls the transmission, reception, and addressing of frames. Also identify the channel access method that Ethernet uses. |
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Definition
| Data-link layer, token passing |
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Term
| What organizations are responsible for developing the 802 series of standards for data-link layer and physical layer protocols? |
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Definition
| Institute of Electric and Electronics Engineers(IEEE) |
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Term
| What layer of the OSI defines the medium, network interfaces, connecting hardware, and signaling methods used on a network? |
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Definition
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Term
| What layer of the OSI model is responsible for the logical addressing of end systems and the routing of datagrams on the network? |
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Definition
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Term
| What layer of the OSI model typically provides either conectionless or connection-oriented services to applications |
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Definition
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Term
| What layer of the OSI model is responsible for the translation and formatting of information? |
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Definition
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Term
| What are the layers of the OSI model in order? |
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Definition
Application
Presentation
Session
Transport
Network
Data-Link
Physical |
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Term
| You have been hired to implement a network. The client has a small number of users in a single office location. The client wants use a topology that runs 100 megabits per second and allows new systems to be added easily to the network. The client is concerned with cost and maintenance issues, such as cable failures that would cause the network to go down. Given this scenario, What would you recoment the client? |
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Definition
| A star topology using twisted-pair cable |
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Term
| What type of cable and connector is used to attach a television set to a cable television(CATV) network |
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Definition
| A coaxial cable and an F-type connector |
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Term
| What cable type is used for thin Ethernet network segments? |
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Definition
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Term
| What purpose do the twists serve in twisted-pair cabling? |
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Definition
| They prevent crosstalk from adjacent pairs and limit the effects that EMI has on the signal being carried over the cable. |
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Term
| What type of tool do you use to connect bulk cable runs to wall plates and patch panels? |
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Definition
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Term
| You have been hired by a corporation to design the cabling for their network. The corporation just moved in to two different floors of an older building. The building has existing category (CAT3) cable. Your client wants two seperate local area networks (LANS), one on each floor, with backbone network connecting them. Your client wants a 100-megabit-per-second(Mbps) data rate for each LAN but plans on migrating to 1,000 Mbps in the future. The two networks are approximately 600 meters apart. Which of the following solutions best meets the needs of this corporation? |
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Definition
| Install CAT5e or CAT6 cable for LANs. These cables run at 100 Mbps and provide migration path to 1000 Mbps. Use Multimode fiber-optic cable for the backbone network. |
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Term
| You have been hired by a corporation to design its network. The corporation just moved into one floor of an older building. The building has exsisting CAT3 cable. The previous occupants had a 10-megabit-per-second (Mbps) local area network (LAN) Your client does not have the money to upgrade the cable at this time but wants to use a data rate of 10 Mbps and 100 Mbps. Which solution would you suggest to best meet the needs of your client? |
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Definition
| Advise the client that they can achieve the 100-Mbps data rate desired by keeping the exsisting CAT3 cabling, because it supports the 100Base-T4 Fast Ethernet standard. |
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Term
| What topologies is not used in LANs? |
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Definition
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Term
| Which topology is used primarily to provide redundant, fault-tolerant paths through an internetwork |
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Definition
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Term
| What cable connector type is is not used with fiber-optic cable? |
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Definition
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Term
| Which communication method requires seperate channels for stimultaneously transmitting and recieving data without collisions? |
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Definition
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Term
| What best decribes the bus mastering feature? |
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Definition
| It offloads processor cycles by taking over the bus arbitration process when data is being transferred from system memory to a network interface card(NIC). |
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Term
| Which feature cn network interface adapters use to automatically configurethemselves to run at an agreed-apon speed and duplex mode? |
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Definition
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Term
| What protocols do enterprise networks use to track the performance of critical compoments? |
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Definition
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Term
| On microsoft windows operating systems(Windows 95 and later), what is the primary tool that you use to manage and configure a network interface adapter, and where it is located? |
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Definition
| The devise manager utility, accessed from the system properties dialog box in control panel. |
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Term
| You have a network that consists of 3 VLANs defined on all of the switches within the Network. VLAN 10 is the sales VLAN, VLAN 20 is the marketing VLAN, and VLAN 30 is the Accounting VLAN. Users complain that they can't communicate with anyone outside of their own VLAN. What is the problem, and what must you do? |
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Definition
| VLANs are limited to data-link layer communications only. To allow communication VLANs, you must add a router or layer 3 sitch to the network and configure it to route between the VLANs. |
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Term
| Which device enables two computers to communicate when they are using different protocols at each layer of the OSI reference model. |
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Definition
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Term
| In the 100base-x or fast ethernet specification, what function of the fast link pulse(FLP) signals sent by hubs and network interface adapters is not provided by the normal link pulse (NLP) signals used by standard Ethernet |
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Definition
| To advertise the capabilities of the interface adapters and negociate the speed and duplex mode of the link. |
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Term
| What is the IEEE standard for 100-megabit-per-second(Mbps) networks using baseband signaling over 4 twisted pairs? |
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Definition
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Term
| Which sublayer is defined i the IEEE 802.2 standard? |
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Definition
| Logical Link Control (LLC) |
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Term
| What is the Minimum legal frame size for Ethernet? |
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Definition
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Term
| Which term best descibes the alternating clocking pattern of 1s and 0s sent prior to frame transmission? |
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Definition
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Term
| Which field within a token ring frame identifies a free token? |
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Definition
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Term
| What is the name for FDDI devices thatconnect to both the primary and secondary rings? |
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Definition
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Term
| You are a network administrator who has recently deployed 20 new laptop computer's to your company's outside sales force. These salespeople do not have desks in the office, but when they are not on the road they often come to the site and work wherever they can find free space. As a result, you have decided to deploy wireless local area network(WLAN) so that the salespeple can connect to the company network any location in the office and access resourses such as database and e-mail servers. Which wireless scenarios would make this possible? |
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Definition
| Install an infrastructure network with a wireless access point |
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Term
| Hardware addresses with 6 bytes are divided into two parts. Each part is 3 bytes in length. What statement describes these values? |
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Definition
| The first 3 bytes of a MAC address contain the OUI, and the second 3 must be unique for each device on the network. |
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Term
| What 10 gigabit Ethernet specifications calls for the use of copper cable? |
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Definition
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Term
| A wireless access point(WAP) enables computers equipped with wireless network interface adapters to function in which of the following topologies? |
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Definition
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Term
| What statement about fragmentation and reassembly of network layer datagrams is true? |
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Definition
| A source end system or an intermediate system can perform fragmentation, and only the destination end performs the reassembly of datagrams. |
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Term
| The default mask for a class B network is 255.255.0.0 How many subnet bits do you need in order to define 600 subnets with 55 hosts per subnet, and what is the new subnet mask for the network? |
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Definition
| 10 subnet bits with a mask of 255.255.255.192 |
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Term
| Which protocol is a connectionless network layer protocol in the Appletalk suite? |
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Definition
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Term
| If you have a Class B network with an IP address of 172.16.168.2 and a mask of 255.255.240.0, what is the network address of the subnet to which the IP address belongs? |
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Definition
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