A network with a cidr notation of /26 would have what subnet mask?

Question 1

  1. A /24 CIDR block is equivalent to a 255.255.255.0 subnet
    mask.

    True

    False

1.25 points

Question 2

  1. 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

  1. A community cloud is a service shared between multiple
    organizations, but not available publicly.

    True

    False

1.25 points

Question 4

  1. 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

  1. 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

  1. 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

  1. 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

  1. 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

  1. After L2TP establishing a VPN tunnel, GRE is used to transmit
    L2TP data frames through the tunnel.

    True

    False

1.25 points

Question 10

  1. All that is needed to provide communication between two VLANs is
    a DHCP relay agent.

    True

    False

1.25 points

Question 11

  1. 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

  1. 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

  1. 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

  1. 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

  1. An unmanaged switch can still support the creation of VLANs,
    provided there is an interface for configuration.

    True

    False

1.25 points

Question 16

  1. 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

  1. By default, the native VLAN is the same as the default VLAN.

    True

    False

1.25 points

Question 18

  1. 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

  1. 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

  1. 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

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