D325 Networks Final - Set 1 - Part 1

Test your knowledge of technical writing concepts with these practice questions. Each question includes detailed explanations to help you understand the correct answers.

Question 1: A technician researching fiber optic cables needs to know which component reflects signals back into the waveguide, enabling light to travel through the cable. What component provides this reflection?

Core

Cladding

Buffer

Jacket

Question 2: A technician troubleshooting a workstation on a 100BASE-TX network finds that Workstation01 cannot ping the file server DIONTRAININGFS01, but Workstation02 can. What is the MOST likely cause?

Firewall rules are blocking the connection

Workstation01 is on a different subnet

Workstation02 is misconfigured

The file server is down

Question 3: An application developer is troubleshooting ASCII conversion issues. At which layer of the OSI model should they focus?

Application

Presentation

Session

Transport

Question 4: A systems administrator is concerned with ensuring appropriate port assignments for network applications. Which OSI model layer should they review?

Network

Transport

Data Link

Physical

Question 5: A network engineer is looking for the tightest fiber optic connection with the best return loss performance for a project. Which connector should they choose?

APC

Question 6: Which of the following is NOT true about Gigabit Ethernet?

Supports speeds of 1000 Mbps

Uses 1000BASE-T standards

Operates over Cat5e cabling

Specified as 100BASE-T

Question 7: Which type of fiber optic connector features a push-pull mechanism commonly used with multimode fiber?

Subscriber Connector (SC)

Lucent Connector (LC)

Straight Tip (ST)

MT-RJ

Question 8: What tool should be used to create patch cords for a new cabling infrastructure project?

Cable tester

Crimper/Cable stripper

TDR

Toner probe

Question 9: What multiplexing technique can multiplex up to 16 wavelengths on an SFP/SFP+ interface?

Dense Wavelength Division Multiplexing (DWDM)

Coarse Wavelength Division Multiplexing (CWDM)

Time Division Multiplexing (TDM)

Frequency Division Multiplexing (FDM)

Question 10: A network technician needs connectors for coax cables. What type of connector should they order?

RJ-45

F-type

Question 11: Which IEEE standard implements functions for the physical and data link layers of the OSI model?

802.11

802.1X

802.3

802.15

Question 12: A consultant is replacing STP cabling for a company. Which type of STP cabling is most difficult to install?

UTP

Modern STP

Legacy STP

Coaxial

Question 13: Which type of fiber optic cable should be used to transmit data over the maximum distance between buildings?

MMF

SMF

Cat5e

Coax

Question 14: A network technician in Germany is installing Cat 7 cabling. Which two types of connectors should be used to comply with standards?

RJ-45 and GG45

TERA and GG45

SC and LC

BNC and F-type

Question 15: What should a server administrator configure to prevent overwhelming a switch's buffer and dropping frames?

Flow control

QoS

Load balancing

NIC teaming

Question 16: In normal conditions, what is the maximum size of a standard Ethernet frame, excluding the preamble?

1500 bytes

1518 bytes

1600 bytes

1522 bytes

Question 17: Which two parts of the Ethernet frame are part of the CSMA/CD protocol and help detect collisions early?

Frame Check Sequence and Preamble

Preamble and SFD

MAC address and Preamble

SFD and Frame Check Sequence

Question 18: What should a systems administrator configure to combine multiple 1 Gbps connections into a 2 Gbps connection?

Load balancing

NIC teaming

VLAN

LACP

Question 19: Which network feature is commonly supported by standard NICs?

10Gb Ethernet

Gigabit Ethernet

100Mb Ethernet

Fiber Channel

Question 20: A switch cannot establish a connection with another switch. What is the most likely cause?

MDI-X to MDI-X connected ports

MDI-X to MDI connected ports

Straight-through cable between switches

VLAN misconfiguration

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