A MAN connection is also known as which two terms below?
a.
b.
c.
d.
Definition
B. Ethernet MAN and c. Metro ethernet
Term
A rollback is also known by what two terms below?
a.
b.
c.
d.
Definition
c. downgrading and d backleveling
Term
Which of the following is not a good reason to subnet a network?
a.
To reduce the number of routing table entries by combining several entries
b.
To reduce the number of hosts on the same network
c.
To segment a network
d.
To increase the number of unique networks available
Definition
a.
To reduce the number of routing table entries by combining several entries
Term
What type of VLAN automatically receives all untagged frames?
a.
b.
c.
d.
Definition
d. Native VLAN
Term
Which supernet mask below would allow an organization to cover the following networks with one routing entry: 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24?
a.
b.
c.
d.
Definition
d.
Term
What two items make up a Bridge ID?
a.
b.
c.
d.
Definition
d. MAC address and b. 2 byte priority field
Term
A centrally managed DHCP server can provide DHCP to multiple VLANs by configuring a _________________.
Definition
DHCP relay agent
Term
What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information?
a.
b.
c.
d.
Definition
c. 802.1Q
Term
In metro settings, end-to-end, carrier-grade Ethernet networks can be established via what protocol?
a.
b.
c.
d.
Definition
b. Carrier Ethernet Transport
Term
What two network protocols below rely on virtual circuits?
a.
b.
c.
d.
Definition
b. ATM and d. frame relay
Term
Which version of DOCSIS provides 38 Mbps per channel and requires a minimum of 4 channels to be used?
a.
b.
c.
d.
Definition
d. DOCSIS 3
Term
The ________________ distributes signals to multiple endpoints via fiber-optic cable, in the case of FTTP, or via copper or coax cable.
Definition
Optical Network Unit (ONU)
Term
With which network connection type does the VM obtain IP addressing information from its host?
a.
Host-only mode
b.
Managed mode
c.
Bridged mode
d.
NAT mode
Definition
d. NAT mode
Term
The carrier's endpoint on a WAN is called the Data Communications Equipment (DCE). (T/F)
Definition
True
Term
A switch is typically preconfigured with one _______________ that includes all its ports.
Definition
Default VLAN
Term
What type of VLAN automatically receives all untagged frames?
a.
b.
c.
d.
Definition
b. Native VLAN
Term
In order to allow communication between VLANs for exchange of data, what must be used?
a.
b.
c.
d.
Definition
b. a router
Term
A rollback is also known by what two terms below?
a.
b.
c.
d.
Definition
c. backleveling and d. downgrading
Term
How can VLAN hopping attacks be prevented on a network?
a.
b.
c.
d.
Definition
b. Disable auto trunking and move native VLANs to unused VLANs.
Term
What IEEE committee established WiMAX technologies?
a.
802.16
b.
802.5
c.
802.11
d.
802.3
Definition
a. 802.16
Term
When using frame relay, what is the name of the identifier that routers use to determine which circuit to send frames to?
a.
b.
c.
d.
Definition
d. data link connection identifier.
Term
In an ISDN connection, what is the size throughput did a single B channel provide?
a.
b.
c.
d.
Definition
d. 64 Kbps
Term
The management option that can provide on-site infrastructure access when the network is down or complete remote access in cases of connectivity failures on the network, such as via a cellular signal, is known as?
a.
b.
c.
d.
Definition
d. out-of-band management
Term
A switch is typically preconfigured with one _______________ that includes all its ports.
Definition
defualt VLAN
Term
What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information?
a.
b.
c.
d.
Definition
d. 802.1Q
Term
The first iteration of STP was defined in what IEEE standard below?
a.
b.
c.
d.
Definition
b. 802.1d
Term
What is the formula for determining the number of possible hosts on a network?
a.
2n = Y
b.
2n – 2 = Y
c.
2h = Z
d.
2h – 2 = Z
Definition
d. 2^h -2 = Z
Term
What two standards below have been developed to replace the Spanning Tree Protocol?
a.
b.
c.
d.
Definition
b. TRILL and d. SPB
Term
A network with 6 bits remaining for the host portion will have how many usable host addresses?
a.
b.
c.
d.
Definition
a. 62
Term
If the line between the carrier and the customer experiences significant errors on a T-1, a ____________ will report this fact to the carrier.
Definition
smart jack
Term
The customer's endpoint device on the WAN is called the __________________.
Definition
Data Terminal Equipment (DTE)
Term
To eliminate the possibility of traffic loops on switches and bridges, the ________________ is used.
Definition
Spanning Tree Protocol (STP)
Term
Network segmentation decreases both performance and security on a network.
Definition
False
Term
Which network type allows a vNIC to access a network directly using the host machine's NIC?
a.
b.
c.
d.
Definition
d. bridged mode
Term
In a PON system, an OLT contains a splitter that splits each port into how many logical channels?
a.
b.
c.
d.
Definition
b. 32
Term
Which network type allows a vNIC to access a network directly using the host machine's NIC?
a.
b.
c.
d.
Definition
b. bridged mode
Term
What protocol is used to provide a common language between virtualized service applications and a network's physical devices?
a.
b.
c.
d.
Definition
b. OpenFlow
Term
What two network protocols below rely on virtual circuits?
a.
b.
c.
d.
Definition
frame relay and ATM
Term
When copper cabling is used to carry T-1 traffic, what kind of connector is used?
a.
b.
c.
d.
Definition
RJ-48
Term
In an ISDN connection, what is the size throughput did a single B channel provide?
a.
b.
c.
d.
Definition
64 Kbps
Term
What IEEE committee established WiMAX technologies?
a.
802.3
b.
802.5
c.
802.16
d.
802.11
Definition
802.16
Term
A _________________ occurs when an attacker generates transmissions that appear, to the switch, to belong to a protected VLAN.
