True/False
Cable that is coated with flame-resistant polyvinyl chloride (PVC) is acceptable for use in plenum areas.
a. True
b. False
False
In a voice over IP setup (VoIP), what kind of device converts signals from a campus's analog phone equipment into IP data that can travel over a phone company's analog telephone lines?
A. VoIP PBX
b. VoIP MTA
c. VoIP gateway
d. VoIP translator
c. VoIP gateway
Which of the following IP addresses would be a loopback IP address?
a. 169.254.0.1
b. 192.168.1.1
c. 224.0.0.1
d. 127.0.0.1
d. 127.0.0.1
What occurs when a collision happens on a network?
a. The collision goes undetected, and data transmission continues.
b. The collision will create an error in the network switch, but otherwise, no issues will occur as a result.
c. Each node on the network stops transmitting until manually told to reconnect and transmit.
d.Each node on the network waits a random amount of time and then resends the transmission.
d.Each node on the network waits a random amount of time and then resends the transmission.
Telephone connections follow what registered jack standard?
a.registered jack 11 (RJ-11)
b.registered jack 12 (RJ-12)
c.registered jack 45 (RJ-45)
d.registered jack 100 (RJ-100)
c.registered jack 45 (RJ-45)
UDP port 123 is utilized by the Network Time Protocol service.
a. True
b. False
True
Why should you not leave more than 1 inch of exposed cable before a twisted-pair termination?
a.Exposing more cable than necessary can cause corrosion of the copper wire.
b.The exposure of the cable can cause transmission interference between wires.
c.The cable will lose its conductive properties.
d.The termination will fail over time due to oxidation.
b.The exposure of the cable can cause transmission interference between wires.
With a FQDN of ftp1.dallas.mycompany.com, what part is the domain name?
a. ftp1
b. ftp1.dallas
c. ftp1.dallas.mycompany.
Which command will produce statistics about each message transmitted by a host, separated according to protocol type?
a. ipconfig -s
b.netstat -s
c. ipstat -a
d. netstat -an
b.netstat -s
Which of the following statements about fiber-optic cabling is accurate?
a. Fiber-optic cabling has a low resistance to signal noise.
b.Light experiences virtually no resistance when traveling through glass.
c.Fiber-optic cable is cheaper than shielded twisted pair cabling.
d.The maximum length for a fiber segment is 20km.
d.The maximum length for a fiber segment is 20km.
The pathping utility sends 10 pings per hop by default.
a. True
b.False
False - you will get 4 packets
What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs?
a. horizontal cross connect
b. patch cable
c.vertical cross connect
d.diagonal cabling
c.vertical cross connect
A Windows computer on your network is having issues resolving queries for a specific domain, but not other domains. Other computers on the same network resolve the name just fine. What command can you issue that might fix the problem?
a.ipconfig /renew
b.ipconfig /release
c.ipconfig /flushdns
d.ipconfig /refresh
c.ipconfig /flushdns
When using the Routing Information Protocol (RIP), what is the maximum number of hops a message can take between its source and its destination before the destination is considered unreachable?
a.8
b.15
c.20
d.32
b.15
. Signals that can travel in only one direction on a medium are referred to as what type of signal?
a.full-duplex
b.duplex
c.half-duplex
d.simplex
d.simplex
Fiber-optic cable comes in two types: single-mode fiber (SMF) or multimode fiber (MMF).
a.True
b.False
True
When creating network diagrams, what icon description typically represents a network firewall?
a. An icon that has a hockey-puck shape with two arrows pointing inward and two arrows pointing outward.
b.An icon that resembles a brick wall.
c.An icon that is rectangular in shape, with squiggly lines on the front.
d.An icon that is rectangular, which contains four arrows pointing in opposite directions.
d.An icon that is rectangular, which contains four arrows pointing in opposite directions.
What part of a MAC address serves as the extension identifier, or device ID?
a.The first 24 bits of the MAC address.
b.The last 24 bits of the MAC address.
c.The first 12 bits of the MAC address.
d.The last 12 bits of the MAC address.
b.The last 24 bits of the MAC address.
What tcpdump command can be used to filter out all traffic except SSH traffic?
a.tcpdump port 22
b.tcpdump -p 22
c.tcpdump only ssh
d.tcpdump -f +ssh
a.tcpdump port 22
What statement describes a transmission flaw that is occurring due to attenuation?
a.A customer modem is continuously losing signal due to large distance from the transmitting device.
b.A network switch interface is dropping due to a powerful radio transmitter in the adjacent room.
c.A customer's video conferencing application is experiencing delay in audio and video that comes and goes.
d.Two network interfaces are experiencing problems at the same time due to the cables having adjacent runs.
A customer modem is continuously losing signal due to large distance from the transmitting device.
The 1024 - 65535 range of ports is also known as the "well-known" range.
a. True
b.False
False -
Which of the following is NOT a best practice when performing cable management?
a. A cable tester should be used to verify that each segment of cable is transmitting reliably.
b. Cable should not be placed across a floor where they might be damaged by traffic.
c. Cable ties should be pulled tightly to keep cables from moving around in a bundle.
d.Grounding requirements should be followed when running cables.
c. Cable ties should be pulled tightly to keep cables from moving around in a bundle.
When using DHCP for IPv6 (i.e. DHCPv6), what port do clients receive responses on?
a. port 67
b. port 68
c. port 546
d. port 547
d. port 547
You are connected to your network's Cisco router, and need to verify the route table. What command should you enter?
a.route print
b.show ip route
c.route -a
d.show route-table
b.show ip route