Exam Compass Practice Test 3 Flashcards
Which of the following answers refer(s) to the characteristic features of MPLS? (Select all that apply)
Encrypted network traffic
Used for connecting devices on a WAN
Packets may be sent over different network paths (routing decisions based on each router’s routing table entries)
Unencrypted network traffic
Enables sending packets over a single, faster network path (routing decisions based on labels)
Used for connecting devices on a LAN
Enables delivery of various data packet types over the same network link
Used for connecting devices on a WAN
Unencrypted network traffic
Enables sending packets over a single, faster network path (routing decisions based on labels)
Enables delivery of various data packet types over the same network link
Which of the following answers refer(s) to mGRE? (Select all that apply)
Point-to-multipoint network links
Tunneling protocol
Enables delivery of various data packet types over the same network link
Point-to-point network links
Used in Dynamic Multipoint VPN (DMVPN)
Point-to-multipoint network links
Tunneling protocol
Enables delivery of various data packet types over the same network link
Multipoint GRE or mGRE (Multipoint Generic Routing Encapsulation) as the name implies allows us to have multiple endpoints, resulting in a point to multipoint topology. When we use mGRE, there will be only one tunnel interface on each router, which will connect with multiple other mGRE endpoints.
Which of the following solutions replaces network hardware with virtual machines?
NFV
Hypervisor
VM Replication
Media converter
NFV
Network Functions Virtualization (NFV) is a network architecture concept that separates network functions from hardware using virtualization technologies. NFV replaces network appliance hardware with virtual machines (VMs) that run software on standardized compute nodes. This allows network operators to install, control, and manipulate network functions without installing new hardware.
Which of the following terms refer to the characteristic features of DSL? (Select 3 answers)
Leased lines
Copper cabling
Telephone lines
Fiber-optic cabling
Last mile solutions
WAN links
Copper cabling
Telephone lines
Last mile solutions
Digital Subscriber Line (DSL) has many characteristic features, including:
High-speed internet
DSL can be up to 25 times faster than dial-up and can provide speeds from 256 Kbps to 100 Mbps. This allows for faster downloads, streaming, and browsing.
Simultaneous voice and data transmission
DSL allows users to make phone calls and use the internet at the same time.
Dedicated connection
DSL provides a dedicated connection, so users don’t have to share bandwidth with others. This makes it possible to manage large amounts of data and bandwidth-intensive applications like video.
Uses existing telephone lines
DSL uses copper pairs that were originally installed for landline phone service, so there’s no need to install additional infrastructure. This makes DSL widely available in many areas.
Cost-effective
DSL is a cost-effective way to connect to the internet compared to cellular data.
Distance limitations
DSL speeds can decrease as the distance from the central office increases, especially in rural areas with fewer exchanges.
What is the most common type of a DSL Internet access?
VDSL
ADSL
SDSL
UDSL
ADSL
Asymmetric Digital Subscriber Line (ADSL) is a technology that allows for fast data transmission over copper telephone lines, providing broadband connections to homes and businesses. Some characteristics of ADSL include:
Asymmetric
ADSL uses more channels for downstream transmission to the user than for upstream uploads.
Always-on
ADSL connections are continuously available and don’t require dialing up, saving time.
High speeds
ADSL can reach speeds of up to 6 Mbps, which is 30–40 times faster than dial-up.
Voice and data
ADSL can simultaneously transmit both voice and data on the same phone line without affecting voice quality or browsing speeds.
Wide availability
ADSL can be widely available in areas where other broadband internet services may not be available.
Low installation costs
ADSL uses existing infrastructure, making it easier to install and less expensive.
Which of the following answers can be used to describe leased-line connections? (Select 3 answers)
Contended service
Typically used for premium residential Internet access
Last mile solutions
Dedicated, point-to-point, always-on connections
Typically used by businesses and organizations
WAN links
Dedicated, point-to-point, always-on connections
Typically used by businesses and organizations
WAN links
A leased line connection is a private, dedicated, and secure data connection with a fixed bandwidth, that runs directly from an internet service provider (ISP) to a business’s premises. Leased lines are also known as Direct Internet Access (DIA), Ethernet, Fibre, EFM (Ethernet First Mile), LAN Extension (LES), WES, Point-to-point (P2P), off-net, on-net, T1, and E1
The main difference between the UTP and STP cabling is that STP cable takes advantage of additional protective cover reducing signal interference from outside sources.
True or False?
True
What are the main differences between STP and UTP cables? STP (Shielded Twisted Pair) cables have an extra layer of shielding compared to UTP (Unshielded Twisted Pair) cables. This shielding protects against electromagnetic interference but makes STP cables more expensive, heavier, and harder to install.
Which of the answers listed below refer(s) to UTP cabling? (Select all that apply)
Twisted-pair copper cabling
Used in Ethernet networks and telephone systems
Low cost and ease of installation
Takes advantage of additional protective cover reducing signal interference from outside sources
Coaxial cabling
Not surrounded by any shielding that would provide protection against interference from outside sources
Fiber-optic cabling
In Ethernet networks, installed with RJ45 connector type
Twisted-pair copper cabling
Used in Ethernet networks and telephone systems
Low cost and ease of installation
Not surrounded by any shielding that would provide protection against interference from outside sources
In Ethernet networks, installed with RJ45 connector type
What is the typical cable segment length for a copper twisted-pair Ethernet cable?
33 meters
55 meters
100 meters
250 meters
100 meters
Which of the answers listed below refer(s) to the characteristic feature(s) of Category 5 (Cat 5) cabling? (Select all that apply)
Coaxial cabling
100 Mbps transfer rate over 2 cable pairs (100BASE-T networks)
F-type connector
55-meter cable segment length
1 Gbps transfer rate over all 4 cable pairs (1000BASE-T networks)
BNC connector
100-meter cable segment length
10 Gbps transfer rate over all 4 cable pairs (10GBASE-T networks)
Twisted-pair copper cabling
RJ45 connector
Fiber-optic cabling
100 Mbps transfer rate over 2 cable pairs (100BASE-T networks)
1 Gbps transfer rate over all 4 cable pairs (1000BASE-T networks)
100-meter cable segment length
Twisted-pair copper cabling
RJ45 connector
Which of the following answers refers to a recommended minimum requirement for twisted-pair copper cabling in 1000BASE-T networks?
Cat 3
Cat 5
Cat 5e
Cat 6
Cat 6a
Cat 5e
Which of the following answers describe(s) the characteristics of Category 5e (Cat 5e) cabling? (Select all that apply)
BNC connector
100-meter cable segment length
Coaxial cabling
Twisted-pair copper cabling
Fiber-optic cabling
1 Gbps transfer rate over 2 cable pairs (1000BASE-T networks)
RJ45 connector
55-meter cable segment length
1 Gbps transfer rate over all 4 cable pairs (1000BASE-T networks)
F-type connector
100-meter cable segment length
Twisted-pair copper cabling
RJ45 connector
1 Gbps transfer rate over all 4 cable pairs (1000BASE-T networks)
In 10GBASE-T networks, Category 6 (Cat 6) UTP cabling supports a 10 Gbps data transfer rate at a limited range of 33-55 meters, whereas Cat 6a (augmented) cabling allows for 10 Gbps data transfer rate over a cable segment length of 100 meters.
True or False?
True
Category 7 is a twisted-pair cabling standard featuring improved specifications for canceling crosstalk and system noise. As in Cat 6a, Cat 7 cabling offers 10 Gbps data transfer rate over a cable segment length of 100 meters in 10GBASE-T networks. Category 7 standard introduces new connector types (the GG45 and TERA connector). Cat 7 cabling has not seen a widespread consumer market adoption yet, because all manufacturers of active equipment and network cards prefer Cat 6a standard which offers similar performance and takes advantage of the traditional RJ45 connector.
True or False?
True
Which of the following answers refer to the characteristics of Category 8 (Cat 8) cabling? (Select 3 answers)
Designed for long-distance, high-speed links
100GBASE-T
Appropriate for connecting datacenter equipment
Designed for short-distance (approx. 30 meters), high-speed links
40GBASE-T
Appropriate for wide range of cabling infrastructures
Appropriate for connecting datacenter equipment
Designed for short-distance (approx. 30 meters), high-speed links
40GBASE-T
