PROGRESSION: FIELD TECH V -VI CONVENTIONAL FT 5 TO FT 6 ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED A+

PROGRESSION: FIELD TECH V -VI CONVENTIONAL FT 5 TO

FT 6 ACTUAL EXAM 250 QUESTIONS AND CORRECT

DETAILED ANSWERS WITH RATIONALES (VERIFIED

ANSWERS) | ALREADY GRADED A+

Which of the following is an attribute of user datagram protocol (UDP)

and not transmission control protocol (TCP)? - ANSWER- It is an

unreliable best-effort delivery.

Routers in Internet Group Management Protocol (IGMP) use the

Protocol Independent Multicast (PIM) protocol to build distribution

trees. What happens once these trees are built? - ANSWER- Constantly

updated.

As part of multicast network management, what can notify Simple

Network Management Protocol (SNMP) network management stations

(NMS) of multicast problems and errors? - ANSWER- Multicast traps.

Ray has logged into the corporate routers and configured open shortest

path first (OSPF) on each. Which of the following addresses does OSPF

use to multicast changes in the routing tables? - ANSWER- 224.0.0.6

Internet group management protocol (IGMP) is carried by which

protocol throughout a network? - ANSWER- Internet protocol - IP

Which network type does intermediate system to intermediate system

(IS-IS) protocol support? - ANSWER- Usually, only one router may

represent a LAN to the other network.

What is the primary purpose of the border gateway protocol - BGP ? -

ANSWER- To avoid routing loops between large networks.

For Carrier Ethernet, why is tagging packets

insufficient for bandwidth management? - ANSWER- Common carriers

receive and process trillions of packets from millions of customers.

Which network connection has a relatively high cost, is billed on a per

port charge, and a rate per mile for the length of the circuit? -

ANSWER- Leased Lines

Which communication technique uses microwave frequencies? -

ANSWER- Satellite.

What is the oldest packet switching technology still in use worldwide? -

ANSWER- X25

What device is required to attach a non-integrated services digital

networks (ISDN) device to an ISDN network? - ANSWER- Terminal

Adapter

For any digital subscriber line (DSL) version, connection speed depends

on the customer's distance from the providers - ANSWER- DSLAM -

Digital subscriber line access multiplexer

Which technology uses fixed-sized cells for transporting data? -

ANSWER- Asynchronous transfer mode (ATM).

What is an international standard for a high-speed, connection-oriented,

cellswitching technology? - ANSWER- Asynchronous transfer mode

(ATM).

Asynchronous transfer mode (ATM) virtual circuits (VC) switch cells

across networks by using which two header components? - ANSWERVirtual path identifier (VPI) and virtual channel identifier (VCI).

In synchronous optical networks (SONET) and synchronous digital

hierarchy (SDH), how much faster is the data rate of an electrical level

STS-192 compared to

an STS-1? - ANSWER- 192 times.

Tagging packets for prioritization is insufficient for Carrier Ethernet.

What is used instead of tagging? - ANSWER- Hierarchical quality of

service (HQoS).

Multiprotocol label switching - MPLS, compatible network routers

utilize label tags instead of which other element of a data packet? -

ANSWER- Internet protocol - IP address.

What is the most common digital standard for fixed telephony devices? -

ANSWER- Integrated Services digital network - ISDN.

Which telephone system allows one extension to ring in multiple

locations, either at the same time or in sequence? - ANSWER- Hosted

PBX

The mapping of labels in a Multiprotocol label switching (MPLS)

network domain are maintained by which of the following? - ANSWERLabel Forwarding Information Base (LFIB).

Ethernet over multiprotocol label switching (EoMPLS) is a tunneling

service, which transports _________ Ethernet frames over an MPLS

network. - ANSWER- Layer 2

What is the mandatory label in the label stack of the header in timedivision multiplexing over Internet protocol (TDMoIP)? - ANSWERPseudowire.

In a multiprotocol label switching (MPLS) network, which network

component pushes an MPLS label onto the front of an incoming Internet

protocol (IP) packet? - ANSWER- Label edge router - LER.