Question 1
-
A /24 CIDR block is equivalent to a 255.255.255.0 subnet
mask.True
False
1.25 points
Question 2
-
A Type 2 hypervisor installs on a computer before any OS, and is
therefore called a bare-metal hypervisor.True
False
1.25 points
Question 3
-
A community cloud is a service shared between multiple
organizations, but not available publicly.True
False
1.25 points
Question 4
-
A native VLAN mismatch occurs when two access ports that are
connected to each other are both tagging traffic with different
VLAN IDs.True
False
1.25 points
Question 5
-
A network with 10 bits remaining for the host portion will have
how many usable host addresses?a. 510 b. 2046 c. 1022 d. 4192
1.25 points
Question 6
-
A network with a CIDR notation of /26 would have what subnet
mask?a. 255.255.255.240 b. 255.255.255.224 c. 255.255.255.0 d. 255.255.255.192
1.25 points
Question 7
-
A subnet of 255.255.248.0 can be represented by what CIDR
notation?a. /18 b. /29 c. /21 d. /20
1.25 points
Question 8
-
A vSwitch (virtual switch) or bridge is a logically defined
device that operates at what layer of the OSI model?a. Layer 4 b. Layer 1 c. Layer 7 d. Layer 2
1.25 points
Question 9
-
After L2TP establishing a VPN tunnel, GRE is used to transmit
L2TP data frames through the tunnel.True
False
1.25 points
Question 10
-
All that is needed to provide communication between two VLANs is
a DHCP relay agent.True
False
1.25 points
Question 11
-
Amazon and Rackspace both utilize what virtualization software
below to create their cloud environments?a. Parallels b. Oracle VirtualBox c. Citrix Xen d. VMware vSphere
1.25 points
Question 12
-
An IP address of 192.168.18.73/28 has what network ID?
a. 192.168.18.64 b. 192.168.16.0 c. 192.168.18.0 d. 192.168.18.32
1.25 points
Question 13
-
An enterprise-wide VPN can include elements of both the
client-to-site and site-to-site models.True
False
1.25 points
Question 14
-
An interface that manages traffic from multiple VLANs is known
by what term?a. trunk port b. access port c. egress port d. aggregation port
1.25 points
Question 15
-
An unmanaged switch can still support the creation of VLANs,
provided there is an interface for configuration.True
False
1.25 points
Question 16
-
At what layer of the OSI model does the IPsec encryption
protocol operate?a. Application layer b. Network layer c. Physical layer d. Transport layer
1.25 points
Question 17
-
By default, the native VLAN is the same as the default VLAN.
True
False
1.25 points
Question 18
-
By default, what network connection type is selected when
creating a VM in VMware, VirtualBox, or KVM?a. host-only mode b. bridged mode c. NAT mode d. lockdown mode
1.25 points
Question 19
-
By default, when using classful addressing, how many bits exist
in the host portion of a Class A address?a. 8 b. 32 c. 16 d. 24
1.25 points
Question 20
-
Digital certificates are issued, maintained, and validated by an
organization called a certificate authority (CA).True
False
Answer
1 True
2 false
3 true
4 false
5 1022
usable host address = 2^10 -2=1022
because one is reserved for subnet and one is reserved for
broadcast
6 255.255.255.192
7 /21
8 Layer 2
9 false
10 false
11 citrix xen
12 192.168.18.64
Address: 192.168.18.73 11000000.10101000.00010010.0100 1001 Netmask: 255.255.255.240 = 28 11111111.11111111.11111111.1111 0000 Wildcard: 0.0.0.15 00000000.00000000.00000000.0000 1111 => Network: 192.168.18.64/28 11000000.10101000.00010010.0100 0000 (Class C)
13 true
14 Trunk Port
15 false
16
Network layer |
17 true
18 NAT Mode
19 24
20 true