What WAN technology is designed to deliver data, voice, and video simultaneously built on a cell-based architecture?
1. ATM
2. Cable
3. Frame Relay
4. ISDN
How are Frame Relay virtual circuits identified?
1. CIR
2. DLCI
3. VPI
4. MAC
5. SPID
Which type of WAN connection should you choose when a dedicated point-to-point WAN communications path from the customer premises through the provider network to a remote destination is required?
1. ISDN
2. Analog dialup
3. ATM
4. Frame Relay
5. Leased Line
Which layer of the hierarchical networks design model is often called the backbone?
1. Access
2. Distribution
3. Core
4. Network
What WAN technology is designed to deliver data, voice, and video simultaneously built on a cell-based architeture?
1. ATM
2. Cable
3. Frame Relay
4. ISDN
Which architeture enables enterprises to offer important network services- such as security, new communication services, and improved application performance - to every office, regardless of its size or proximity to headquarters
1. Cisco Enterprise Campus Architeture
2. Cisco Enterprise Data Cetre Architeture
3. Cisco Enterprise Branch Architeture
4. Cisco Enterprise Teleworker Architeture
Which device is commonly used as Data Terminal Equipment?
1. ISDN
2. Modem
3. Router
4. CSU/DSU
ISDN PRI is composed of how many B channels in North America?
1. 2
2. 16
3. 23
4. 30
5. 64
The ability to connect securely to a private network over a public network is provided by which WAN technology
1. DSL
2. Frame Relay
3. ISDN
4. PSTN
5. VPN
At which layer of the hierarchical network model do users connect to the network?
1. Application
2. Access
3. Distribution
4. Network
5. Core
What term describes the cabling that connects the customer site to the nearest exchange of the WAN service provider?
1. CPE
2. CO
3. Local Loop
4. DCE
5. DTE
What is the function of the Protocol field I a PPP frame?
1. It identifies the application layer protocol that will process the frame
2. It identifies the transport layer protocol that will process the frame
3. It identifies the data link layer protocol encapsulation in the frame’s Date field
4. It identifies the network layer protocol encapsulated in the frame’s Date field
What is the default encapsulation for serial interfaces on a Cisco router?
1. HDLC
2. PPP
3. Frame Relay
4. X.25
Which statement describes the PAP authentication protocol?
1. It sends encrypted passwords by default
2. It uses a two-way handshake to establish identify
3. It protects against repeated trial-and-error attacks
4. It requires the same username to be configured on every router
Which of the following describes the serial connection between two routers using the High-level Data Link Control (HDLC) protocol?
1. Synchronous or asynchronous bit-oriented transmission using a universal frame format
2. Synchronous bit-oriented transmissions using a frames format that allows flow control and error detection
3. Asynchronous bit-oriented transmissions using a frame format derived from the synchronous Data-Link Control (SDLC) protocol
4. Asynchronous bit-oriented transmissions using a v.35 DTE/DCE interface
What is required to successfully establish a connection between two routers using CHAP authentication
1. The hostnames of both routers must be the same
2. The username of both routers must be the same
3. The enable secret passwords configured on both routers must be the same on both routers
4. The PPP chap sent-username command must be configured the same on both routers
Why are Frame Relay paths referred to as virtual?
1. There are no dedicated circuits to and from the Frame Relay carrier
2. Frame Relay PVCs are created and discarded on demand
3. The connections between PVC endpoints act like dialup circuits
4. There are no dedicated circuits inside the Frame Relay carrier cloud
If an authentication protocol is configured for PPP operation, when is the client or user workstation authenticated?
1. Before link establishment
2. During the link establishment phase
3. Before the networks layer protocol configuration begins
4. Ater the networks layer protocol configuration has ended
Why is Frame Relay more cost-effective than leased lines? (choose two)
1. Time division multiplexing
2. It uses less equipment
3. Optimized packet routing
4. It shares bandwidth across a large customer base
5. Dynamic IP addressing
Why are Network Control Protocols used in PPP?
1. To establish and terminate data links
2. To provide authentication capabilities to PPP
3. To manage networks congestion and to allow quality testing of the link
4. To allow multiple Layer 3 protocols to operate over the same physical link
Which situations favors a multpoint topology over point-to-point
1. When VLSM cannot be used to conserve addresses
2. When using routing protocols other than IP
3. When using a Frame mesh topology to save access circuits
4. When using a routing protocol that requires broadcast updates
What is an advantage of configuring subinterfaces in a Frame Relay environment
1. It makes the DLCI globally significant
2. It eliminates the need for using Inverse ARP
3. It solves split-horizon issues
4. It improves flow control and bandwidth usage
What is used to identify the path to the next Frame Relay switch in a Frame Relay networks?
1. CIR
2. DLCI
3. FECN
4. BECN
How are DLCI numbers assigned?
1. They are assigned by a DLCI server
2. They are assigned arbitrarily by the user
3. They are assigned by the service provider
4. They are assigned based on the host IP address
Which protocol can provide error correction for data that is transmitted over a Frame Relay link?
1. FECN
2. FTP
3. LMI
4. TCP
5. UDP