B. Digital Equipment Corporation (DEC)
C. Stanford University
D. U.S. Department of Defense
D. Support for diverse network mediums
A. Support for global addressing
B. Support for end-to-end checksums
C. Support for applications such as email
D. Support for fragmentation and reassembly
A. Layer 7—Email
B. Layer 3—TCP
C. Layer 4—UDP
D. Layer 2—PPP
A. Requests For Information
B. Protocol Revisions
C. Requests For Comments
D. Requests For Configurations
A. Sites at different tiers cannot communicate.
B. Tier 3 providers don’t use TCP/IP.
C. O nly Tier 1 providers provide content.
D. A single provider could offer SLAs to each location.
A. Standard dial-up service
B. Live video streaming from sports events
C. Email service
D. Basic web services
A. Connectionless with no guarantee of delivery
B. Connectionless with guarantee of delivery
C. Connection-oriented with guarantee of delivery
D. None of the above
A. HTTP, IP, TCP, Ethernet
B. HTTP, TCP, IP, Ethernet
C. HTTP, UDP, IP, Ethernet
D. HTTP, IP, Ethernet
A. Ethernet only
B. IP only
C.TCP and IP only
D. IP and Ethernet only
A. Remove the source Layer 2 address, add its own, and forward the packet.
B. Remove the Layer 2 addresses and replace them with new addresses.
C. Remove the entire Layer 2 header and create a new one based on the next-hop
D. Leave the original Layer 2 header but forward the packet based on the destination
A. O SPF
A. It supports multiple chassis types.
B. It supports OSFP, IS-IS, RIP, and BGP.
C. It is used primarily for Ethernet aggregation.
D. It can be managed via a console port or a dedicated Ethernet port on the
A. bof.cfg—7750/7450 configuration file
B. cpm.tim—IOM image file
C. config.cfg—Back-up configuration file
D. boot.ldr—Bootstrap image file
A. shutdown—This command is used to disable an interface or protocol.
B. exit all—Logs out of the Alcatel-Lucent 7750 SR/7450 ESS device.
C. ?—Lists all commands in the current context.
D. [TAB]—This command is used for assistance with command completion.
A. IOMs plug into MDAs.
B. MDAs plug into SFPs.
C. SF/CPMs plug into IOMs.
D. IOMs plug into the chassis.
A. boot.ldr, bof.cfg, system image, config.cfg
B. system image, boot.ldr, config.cfg, bof.cfg
C. boot.ldr, system image, bof.cfg, config.cfg
D. boot.ldr, bof.cfg, config.cfg, system image
A. To ensure that the system saves routing table information when it reboots
B. To ensure that changes to the bof.cfg are saved
C. To ensure synchronization with the 5620 SAM
D. To ensure that config changes are stored in the config.cfg
B. no shutdown
C. interface enable
D. interface on
A. IOM, port, MDA
B. Port, MDA, IOM
C. IOM, MDA, port
D. MDA, port, IOM
A. Log-ids 99 and 100 are reserved for system usage.
B. You must configure at least one input stream for a log-id.
C. You must configure a filter for each log-id.
D. You must configure the destination for the events from the log-id.
A. show config
B. admin display-config
C. display config
D. show admin config
A. The location of the primary boot image
B. The list of IOM cards in the chassis
C. The persist value
D. The location of the primary config file
A. Provide support for multiple upper-layer protocols.
B. Support the connection of multiple devices on a single link.
C. Support authentication
D. Support data integrity via a CRC on frame contents.
A. AAL3/4—Connection-oriented service
B. AAL5—Connectionless service
C. AAL2—Variable bit rate traffic
D. AAL1—High bit rate traffic
B. Switched Ethernet
D. Wireless LAN
A. Broadcasts are received by every host.
B. Multicast is newer technology.
C. Broadcasts are processed by every host.
D. Multicast provides multiple addresses for flexibility.
A. They are reserved for future use.
B. They are legacy fields from older versions of PPP headers.
C. PPP is based on the HDLC frame format.
D. PPP can be adapted for use on multi-point networks and might need the fields.
A. To support latency-sensitive applications like voice traffic
B. To provide less overhead on ATM switches
C. To support the use of multiple classes of service
D. To provide the ability to do switching in hardware
A. It determines the amount of data in the cell.
B. It maps data from upper-layer service classes to ATM cells.
C. It adapts Ethernet frames to ATM cells.
D. It wraps a header around the ATM cell.
A. Thinnet and Thicknet
B. 10baseT and 100baseT
C. DIX Ethernet and Ethernet II
D. 802.3 and Ethernet II
A. A signal might be too weak to travel farther than the maximum distance.
B. Every station on the wire had to be able to “detect” a collision in order to function properly.
C. Too many taps in the cable would weaken the wire.
D. Thicknet cable came in fixed lengths.
A. A 4-byte number in four parts
B. A 4-byte number in two parts
C. A 6-byte number in two parts
D. A 6-byte number in four parts
A. Just start transmitting.
B. Listen for other stations transmitting; if none, then begin transmitting.
C. Transmit whenever it receives the token.
D. Issue a transmit request, and transmit when given authorization to do so.
A. This is impossible on half-duplex.
B. The signal results in a collision, the stations stop, and the stations all wait the same amount of time to retransmit.
C. The signal results in a collision, and the stations retransmit based on a configured priority.
D. The signal results in a collision, and the stations stop and retransmit after waiting a random amount of time.
A. 10 Mb Ethernet—Fiber or copper cable
B. 100 Mb Ethernet—Fiber or copper cable
C. 1 Gig Ethernet—Fiber cable only
D. All of the above are correct.