Network+ Chapter 10
OpenFlow
What protocol is used to provide a common language between virtualized service applications and a network's physical devices?
24 bits
How many bits of a Class A IP address are used for host information?
In-band management
Telnet and SSH are called __________________ systems because they use the existing network and its protocols to interface with the switch.
increase performance
Which of the following is not a valid reason for using virtualization?
stack master
With VTP, the VLAN database is stored on a switch known as which option below?
NAT mode
With which network connection type does the VM obtain IP addressing information from its host?
62
A network with 6 bits remaining for the host portion will have how many usable hosts?
/24
A network with the subnet mask 255.255.255.0 would have what CIDR block?
A trunk port
A single switch can manage traffic belonging to several VLANs on a single interface, by configuring the interface as what option below?
Disable auto trunking and move native VLANs to unused VLANs.
How can VLAN hopping attacks be prevented on a network?
routing prefix
In an IPv6 address, the first 64 bits of the address are known as what?
a router
In order to allow communication between VLANs for exchange of data, what must be used?
255.255.255.192
Question 19 5 / 5 pts A CIDR block of /26 is equivalent to what subnet mask below?
bridge ID (BID)
STP selects the root bridge based on what option below?
in-band
Telnet and SSH are known as what type of management system?
802.1aq
The Shortest Path Bridging protocol is defined in what IEEE standard?
802.1d
The first iteration of STP was defined in what IEEE standard below?
out-of-band management
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?
802.1Q
What IEEE standard specifies how VLAN information appears in frames and how switches interpret that information?
2h - 2 = Z
What is the formula for determining the number of possible hosts on a network?
Hypervisor
What is the software that allows you to define VMs and manage resource allocation and sharing among them?
Native VLAN
What type of VLAN automatically receives all untagged frames?
Virtual switch
What virtual, logically defined device operates at the Data Link layer to pass frames between nodes?
To reduce the number of routing table entries by combining several entries
Which of the following is not a good reason to subnet a network?
Trunk port
Which port on a switch manages traffic for multiple VLANs?
VRRP
Which protocol assigns a virtual IP to a group of routers?
DHCP relay agent
While designing your network's VLAN topology, your team has decided to use a centrally managed DHCP server rather than creating a separate DHCP server for each VLAN. What software will you need?
bridged mode
Which network type allows a vNIC to access a network directly using the host machine's NIC?
255.255.252.0
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?
host-only mode
Which virtual network type allows VMs to communicate with each other on the same host, but disallows communication with other nodes on the network?
