11-12

What specifications define the standards for cable broadband? a. ATM b. Digital signal c. ANSI D. DOCSIS

D. DOCSIS

What port do SNMP agents listen on? a. Port 161 b. Port 21 c. Port 162 d. Port 20

a. Port 161

Which DSL standard has the fastest speeds immediately outside the CO? a. VDSL b. ADSL c. SDSL d. ADSL2+

a. VDSL

Where does an MPLS label go in a PDU? a. Layer 1 b. Between Layers 2 and 3 c. Between Layers 1 and 2 d. Layer 3

b. Between Layers 2 and 3

What kind of network is the PSTN? a. Packet-switched b. Circuit-switched c. Virtual circuit d. Dedicated line

b. Circuit-switched

What is the lowest layer of the OSI model at which LANs and WANs support the same protocols? a. Layer 2 b. Layer 3 c. Layer 4 d. Layer 5

b. Layer 3

______________ in SONET are analogous to the ________________ of Tcarriers. a. Throughput, digital signal levels b. OC levels, digital signal levels c. QoS levels, OC levels d. OC levels, carrier levels

b. OC levels, digital signal levels

a. Top talkers b. Top listeners c. Giants d. Jabbers

b. Top listeners

a. Spiceworks b. Wireshark c. Packet Tracer d. VirtualBox

b. Wireshark

A. How long until that device fails b. How much it will cost to repair that device c. How long devices like this one will last on average until the next failure d. How long it will usually take to repair that device

c. How long devices like this one will last on average until the next failure

What command requests the next record in an SNMP log? a. SNMP Get Request b. SNMP Get Next 2 c. SNMP Trap d. SNMP Get Response

c. SNMP Trap

A.Bandwidth b. Fault tolerance c. Speed d. Availability

c. Speed

What method does a GSM network use to separate data on a channel? a. SIM b. CDMA c. TDMA d. TDM

c. TDMA

A. PVC (permanent virtual circuit), SVC (switched virtual circuit) b. SVC (switched virtual circuit), dedicated line c. dedicated line, virtual circuit d. SVC (switched virtual circuit), PVC (permanent virtual circuit)

c. dedicated line, virtual circuit

How many channels are in an ISDN PRI connection? a. 2B+D b. 2D+B c. 23D+B d. 23B+D

d. 23B+D

A. Online UPS b. Generator c. Dual power supplies d. Standby UPS

A. Online UPS

A. Warm site b. Standby site c. Hot site d. Cold site

d. Cold site

A.Traffic Class b. Priority Code Point c. Time to Live d. DiffServ

d. DiffServ

What kind of device can monitor a connection at the demarc but cannot interpret data? a. CSU/DSU 2 b. NID c. NIU d. Smart jack

d. Smart jack

a. Power management b. Port forwarding c. Port mirroring d. Traffic shaping

d. Traffic shaping