Chapter 10 Flashcards
1
Q
A network with the subnet mask 255.255.255.0 would have what CIDR block? A) /20 B) /24 C) /28 D) /32
A
B) /24
2
Q
A network with 6 bits remaining for the host portion will have how many usable host addresses? A) 254 B) 126 C) 62 D) 30
A
C) 62
3
Q
A single switch can manage traffic belonging to several VLANs on a single interface, by configuring which option on the interface? A) A router B) A trunk port C) An access port D) A VLAN port
A
B) A trunk port
4
Q
What type of VLAN automatically receives all untagged frames? A) Default VLAN B) Native VLAN C) Mirrored VLAN D) Untagged VLAN
A
B) Native VLAN
5
Q
How can VLAN hopping attacks be prevented on a network?
A) Install an additional switch to isolate traffic
B) Disable auto trunking and move native VLANs to unused VLANs
C) Install a router to process the untagged traffic on the VLAN
D) Use MAC address filtering
A
B) Disable auto trunking and move native VLANs to unused VLANs
6
Q
The first iteration of STP was defined in what IEEE standard below? A) 802.3d B) 802.1d C) 802.11s D) 802.1c
A
B) 802.1d
7
Q
STP selects the root bridge based on which parameter? A) port number B) bridge ID (BID) C) bridge version number (BVN) D) software revision code
A
B) bridge ID (BID)
8
Q
Telnet and SSH are known as what type of management system? A) out-of-band B) in-band C) side-band D) external-band
A
B) in-band
9
Q
With VTP, the VLAN database is stored on a switch known as which option below? A) root bridge B) stack master C) trunk root D) vlan server
A
B) stack master
10
Q
In order to allow communication between VLANs for exchange of data, what must be used? A) a firewall B) a switch C) a router D) a root bridge
A
C) a router
11
Q
What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information? A) 802.1c B) 802.1Q C) 802.1V D) 802.1d
A
B) 802.1Q
12
Q
Which of the following is not a valid reason for using virtualization? A) increase performance B) save money by purchasing few machines C) simplify backups and recovery D) efficient use of resources
A
A) increase performance
13
Q
Which supernet mask below would allow an organization to cover the following networks with one routing entry: 192.168.0.0/24, 192.168.2.0/24, 192.168.3.0/24? A) 255.255.255.0 B) 255.255.252.0 C) 255.255.255.128 D) 255.255.240.0
A
B) 255.255.252.0
14
Q
In an IPv6 address, the first 64 bits of the address are known as what? A) host prefix B) equipment ID C) routing prefix D) prefix mask
A
C) routing prefix
15
Q
Which network type allows a vNIC to access a network directly using the host machine's NIC? A) bridged mode B) NAT mode C) host only mode D) direct mode
A
A) bridged mode
16
Q
What protocol is used to provide a common language between virtualized service applications and a network's physical devices? A) VRRP B) OpenFlow C) CommonStack D) OpenArch
A
B) OpenFlow
17
Q
The Shortest Path Bridging protocol is defined in what IEEE standard? A) 802.1d B) 802.1aq C) 802.1Q D) 802.1s
A
B) 802.1aq
18
Q
The management option that can provide on-site infrastructure access when the network is down or completer remote access in cases of connectivity failures on the network, such as via a cellular signal, is known as? A) in-band management B) out-of-band management C) open management D) side channel management
A
B) out-of-band management
19
Q
A CIDR block of /26 is equivalent to what subnet mask below? A) 255.255.192.0 B) 255.255.254.0 C) 255.255.255.192 D) 255.255.0.0
A
C) 255.255.255.192
20
Q
Which virtual network type allows VMs to communicate with each other on the same host, but disallows communication with other nodes on the network? A) host-only mode B) bridged mode C) NAT mode D) restricted mode
A
A) host-only mode
21
Q
Which of the following describes a router protocol that is used to assign a virtual IP address to a group of routers so that the routers function as a group? (choose two) A) VRRP B) GBRP C) HSRP D) CARP
A
A) VRRP
C) HSRP
22
Q
Which two properties indicate to other connectivity devices which VLAN a transmission belongs to? A) vID B) SAID C) security association identifier D) VMAC
A
B) SAID
C) security association identifier
23
Q
What two items make up a Bridge ID? A) 2 byte priority field B) MAC address C) relevant port number D) software version
A
A) 2 byte priority field
B) MAC address
24
Q
Which two standards below represent newer versions of STP? A) 802.1d B) 802.1f C) 802.1w D) 802.1s
A
C) 802.1w
D) 802.1s
25
Q
What two standards below have been developed to replace the Spanning Tree Protocol? A) TRILL B) SPB C) VSRP D) HSRP
A
A) TRILL
B) SPB
