Network+ Quiz Network Topologies and Types / Media
What does the term asymmetric mean in DSL?
The upload speed and the download speed differ
What is the bandwidth of a T1 digital circuit?
1.544 Mbps
What is the distance limitation of 10GBASE-LR?
10 km
What is the bandwidth of an OC-3?
155.52 Mbps
Cat 8 cable can support 40Gbps. At what distance can Cat 8 support this speed?
30 m
What is the distance limitation of 10BASE-SW?
300 m
What is the distance limitation of 10GBASE-SW?
300m
What is the max speed of Cat 8 cable?
40 Gbps
What is the distance limitation of 100GBASE-ER4?
40 km
What is the distance limitation of 10GBASE-ER?
40 km
Which of the following is a cross-connect block that was popular for cross-connecting Cat 3 UTP cables for 10 Mbps Ethernet LANs, but does not support higher-speed LAN technologies, such as 100 Mbps Ethernet LANs?
66 block
Where is PPPoE typically used in a DSL environment?
Between the home and a service provider
Which of the following cross-connects terminates 25 pairs (50 wires)?
Bix
Identify one of the following that acts as a digital modem (that is, a device that connects to a digital circuit and can distinguish between various DSOs on that digital circuit)
CSU/DSU
What is the name of the device that terminates a dedicated lease line circuit?
CSU/DSU
Which of the following fiber optic multiplexing options uses fewer than eight active wavelengths per fiber?
CWDM
Which of the following are multiplexing approaches with fiber networking?
CWDM/WDM
What type of UTP is commonly used un Ethernet 10BASE-T networks, which carry data at a rate of 10 Mbps (although it can carry data at a max rate of 16 mbps, as seen in some Token ring networks)?
Cat 3
Which of the follow reflect the media type, bandwidth capacity, and distance limitation combination of 10BASE-T Ethernet?
Cat 3 (or higher) UTP/10 Mbps/100m
What type of UTP cable uses a 24 gauge wiring and is commonly used in Ethernet 100BASE-TX networks, which carry data at a rate of 100 Mbps, although it is capable of carrying traffic at a rate of 155 Mbps on older implementations of ATM networks? (NOTE: This type of UTP should not be used for networks running at speeds of 1 Gbps or higher)
Cat 5
Which type of UTP cable is commonly used for 1000BASE-T Ethernet netwroks and is often made of relatively thick conductors (ex 22 gauge/23 gauge wire) and thick insulation?
Cat 6
What is the minimum category of UTP cable that can be used for 10GBASE-T networks that must support 100M cable lengths?
Cat 6a
Which of the following cable categories is not an IEEE standard?
Cat 7
Which of the following UTP cable types can support 10Gbsp?
Cat 7/8
ISDN is an example of which of these WAN types?
Circuit switched
In cable modem technologies, the frequencies dedicated to data transmission are specified by what?
DOCSIS
What specification identifies the cable tv frequencies dedicated to data transmission?
DOCSIS
What device terminates the DSL signal coming from a customer?
DSLAM
Which of the following fiber optic multiplexing options uses as many as 32 light wavelengths on a single fiber?
DWDM
What is another name used to reference the functions provided by the Provider Edge router?
ELSR
Which of the following copper connector types is most commonly used for cable TV connections?
F-connector
What WAN topology uses the formula n(n-1)/2 to calculate the number of links required?
Full Mesh
What WAN topology enables you to minimize WAN expenses by not directly connecting any two remote locations?
Hub-and-spoke
Which of the following is a proprietary European cross-connect block?
Krone
Which type of fiber optic connector connects to a terminating device by pushing the connector into the terminating device and can be removed by depressing the tab on the connector and pulling it out of the terminating device?
LC
Which MPLS element makes frame-forwarding decisions based on labels applied to frames?
LSR
A T3 connection is an example of which WAN type?
Leased line
Which of the following connects to multiple intermediate distribution frames?
MDF
Which of the following is a type of network, commonly used by service providers, that makes forwarding decisions based on a label contained in a 32 bit header?
MPLS
Which type of fiber optic connector contains two fiber strands in a single connector?
MTRJ
Which of the following is a technology that allows a service provider to offer networking services to customers?
NaaS
Which MPLS element is a provider's router that does not connect directly to any customer router?
P
Which MPLS element is the provider's router that connects to the customer?
PE
What is a very common protocol found on dedicated leased lines?
PPP
What technology is typically used in conjunction with DSL?
PPPoE
Which of the following is a technology that allows a company to use development resources owned and maintained by a service provider?
PaaS
Which of the following standards specifies a type of coaxial cable typically used for short distance applications, such as carrying composite video between two nearby devices, and has a characteristic impedance of 75 Ohms?
RG-59
Which of the following standards specifies a type of coaxial cable commonly used by local cable companies to connect individual homes to the cable company's distribution network?
RG-6
Which of the following copper connector types is found in most home telephone networks?
RJ-11
Which of the following copper connector types is an eight-pin connector found in most Ethernet networks?
RJ-45
Which type of fiber optic connector, containing one fiber optic strand per connector, is connected by pushing the connector into a terminating device and can removed by pulling the connector from the terminating device?
SC
Which of the following provides a simple policy and profile approach to managing the WAN?
SD-WAN
What media type is used by 1000BASE-ZX?
SMF
Which type of fiber optic connector is often referred to as a bayonet connector?
ST
In a modern LAN, what topology is often used with LAN switches and Ethernet connections?
Star
In the modern LAN, what type of device is typically used at the center of a star topology?
Switch
What is the leased line technology that has a bandwidth capacity of 44.7 Mbps?
T3
Which type of DSL usually offers the highest bandwidth?
VDSL
What type of network has a dedicated file server, which provides shared access to files?
client-server
Which of the following reflect the media type, bandwidth capacity, and distance limitation combination of 10BASE5 Ethernet?
coax/10 Mbps/500 m
What is the point in a telephone network where the maintenance responsibility passes from a telephone company to the subscriber?
demarc
What is another name for an optic patch panel?
fiber distribution panel
Which of the following is a telephony solution that is typically based on a traditional privately-owned telephone system?
hosted PBX
Which of the following is one of the key technologies in the Dynamic Multipoint VPN (DMVPN) solution?
mGRE
Frame Relay is an example of what WAN connection type?
packet switched
Cables in wiring closet commonly terminate on what?
patch panel
Which type of twisted pair cable has an insulator that is fire retardant and minimizes the emission of dangerous fumes in the event of fire?
plenum
What is another term for a cross-connect block?
punchdown
Which of the following is a type of network interface device (NID) that includes circuitry to perform such functions as converting between framing formats on a digital circuit?
smart jack
What is the primary difference between the TIA/EIA-568-A and TIA/EIA-568-B wiring standards?
the color coding
What virtual network service stores user data and the GUI in a data center, as opposed to the hard drive in a user's computer?
virtual desktop
What virtual network device allows Microsoft AD services, UNIX-based web services, and DNS services to be co-resident on the same network device?
virtual server
What virtual network component allows virtual servers located on the same physical servers to be logically separated into different VLANs?
virtual switch