Netwwork Access Flashcards

(28 cards)

1
Q

Which of the following provides a channel for data to travel from one point to another in the network?

hosts

interconnections

network devices

TCP

A

interconnections.

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2
Q

What are the three functions of a switch? (Choose three.)

Switches have high speed and support single port speeds.

Switches operate at the link layer of the TCP/IP protocol suite.

Switches operate at the network layer of the TCP/IP protocol suite.

Switches selectively forward individual frames.

Switches selectively forward individual packets.

Switches have many full-duplex ports to segment a large LAN into many smaller segments.

A

Switches operate at the link layer of the TCP/IP protocol suite.

Switches selectively forward individual frames.

Switches have many full-duplex ports to segment a large LAN into many smaller segments.

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3
Q

What are the two typical hosts or endpoints on a LAN? (Choose two.)

switches

routers

servers

laptops

firewalls

A

servers and laptops.

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4
Q

Which three characteristics are full-duplex operation characteristics? (Choose three.)

unidirectional data flow

point-to-point only

legacy connectivity

attached to a dedicated switched port

collision may be an issue

requires full-duplex support on both ends

A

point-to-point only

attached to a dedicated switched port

requires full-duplex support on both ends

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5
Q

Match the UTP cable category with its description.

capable of transmitting data at speeds of up to 100 Mbps

used in networks running at speeds of up to 1000 Mbps (1 Gbps)

used in networks running at speeds of up to 10 Gbps

used in networks running at speeds of up to 40 Gbps

A

Cat 5 → capable of transmitting data at speeds of up to 100 Mbps

Cat 5e / Cat 6 → used in networks running at speeds of up to 1000 Mbps (1 Gbps)

Cat 6a / Cat 7 → used in networks running at speeds of up to 10 Gbps

Cat 8 → used in networks running at speeds of up to 40 Gbps

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6
Q

Match the network communication type with its description.

communication in which a frame is sent from one host and addressed to one specific destination

communication in which a frame is sent from one host to a specific group of devices or clients

communication in which a frame is sent from one address to the broadcast address and thus to all other devices.

A

Unicast → communication in which a frame is sent from one host and addressed to one specific destination

Multicast → communication in which a frame is sent from one host to a specific group of devices or clients

Broadcast → communication in which a frame is sent from one address to the broadcast address and thus to all other devices

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7
Q

Which command can be used to verify the description on the Et0/0 interface?

show version

show running-config | section 0/0

show running-config | exclude section 0/0

show ip interface brief

A

show running-config | section 0/0

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8
Q

On some simple Catalyst switches, the SYST LED will blink with which color when the switch POST process fails and Cisco IOS Software does not load?

RED

AMBER

GREEN

WHITE

A

AMBER

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9
Q

You have connected your PC through a console cable to a new Cisco switch and you plan to use HyperTerminal to perform the initial configuration. Which HyperTerminal configuration setting should you use for the connection to the Cisco switch?

Speed: 9600 bps, data bits: 8, parity: Even, stop bit: 1, and flow control: Hardware

Speed: 9600 bps, data bits: 8, parity: None, stop bit: 1, and flow control: None

Speed: 115200 bps, data bits: 8, parity: None, stop bit: 1, and flow control: Hardware

Speed: 115200 bps, data bits: 8, parity: None, stop bit: 1, and flow control: None

A

Speed: 9600 bps, data bits: 8, parity: None, stop bit: 1, and flow control: None.

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10
Q

Which three IEEE 802.11 amendments specify the 5-GHz frequency band for Wi-Fi operation? (Choose three.)

802.11a

802.11b

802.11g

802.11n

802.11ac

A

802.11a, 802.11n, and 802.11ac

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11
Q

Which AP usually connects to a switch access port (nontrunking)?

centralized AP (local mode)

standalone AP

none, all APs need to connect to a trunk port

standalone and centralized AP

A

centralized AP (local mode)

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12
Q

Which wireless technology provides host connectivity within a large geographic area, such as a city or a suburb?

WPAN

WLAN

IEEE 802.11

WMAN

A

WMAN

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13
Q

Which statement regarding switch characteristics is correct?

A generic CPU is too slow for forwarding traffic in a switch.

A generic ASIC is too slow for forwarding traffic in a switch.

A generic CPU is too fast for forwarding traffic in a switch.

A switch has smaller frame buffers to avoid network congestion.

A

A generic CPU is too slow for forwarding traffic in a switch.

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14
Q

Which switch characteristic can accommodate network designs that feature fewer users per segment?

high port density

large frame buffers

port speed

fast internal switching

low per-port cost

A

high port density

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15
Q

What are the two defining characteristics of a LAN? (Choose two.)

higher data transfer rates in contrast to WAN

lower data transfer rates in contrast to WAN

smaller geographic area in contrast to WAN

larger geographic area in contrast to WAN

need for leased telecommunication lines

A

higher data transfer rates in contrast to WAN

smaller geographic area in contrast to WAN

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16
Q

Which bit in the MAC address is referred as the U/L bit?

least significant bit in the first octet

most significant bit in the first octet

second least significant bit in the first octet

second least significant bit in the second octet

A

second least significant bit in the first octet.

17
Q

Place the Ethernet II frame fields into the correct order.

Destination address

Preamble

Payload

Source address

FCS

Type

A

Destination address 2.

Preamble 1.

Payload 5.

Source address 3.

FCS 6.

Type 4.

18
Q

Which type of physical medium is no longer used for Ethernet?

coaxial

twisted pair copper

fiber optic

all three listed options are still used

19
Q

Which information will the switch read from the frame header and compare it to the list of addresses in the MAC table in order to forward a frame?

destination MAC address

source MAC address

destination IP address

source IP address

A

destination MAC address.

20
Q

Which option is not a fiber-optic connector type?

threaded

bayonet

push-pull

RJ-45

21
Q

Which option happens first when a switch is powered on?

Cisco IOS is booted up.

Linux is booted up.

POST begins.

Command line appears.

22
Q

The console port on a Cisco device may look like which option?

RJ-11 port

RJ-45 port

serial DB-9 port

RPS connector port

23
Q

Which command will display the interface traffic statistics for the average input rate?

show version

show interfaces

show running-config

show ip interface brief

A

show interfaces

24
Q

How many LEDs on each port of a Catalyst switch are used to show the status detail?

Two LEDs are used on each port.

Three LEDs are used on each port.

Ports on the Cisco Catalyst switch do not have LEDs.

Each port on a Catalyst switch has only one LED.

A

Two LEDs are used on each port.

25
Which two ports must a firewall allow for CAPWAP operations? (Choose two.) UDP 5246 UDP 5247 UDP 5426 UDP 5470 UDP 5530
UDP 5246 – used for CAPWAP control messages UDP 5247 – used for CAPWAP data messages
26
Assume that you have an autonomous AP that is connected to a switch. Based upon the following configuration, which statement correctly describes the implementation? switch# configure terminal switch(config)# interface GigabitEthernet1/0/3 switch(config-if)# description AP2 switch(config-if)# switchport mode trunk switch(config-if)# switchport trunk native vlan 12 switch(config-if)# switchport trunk allowed vlan 12,14 VLAN 12 is client traffic. VLAN 12 traffic has a VLAN tag. VLAN 14 is for management traffic. VLAN 14 is for client traffic.
VLAN 14 is for management traffic
27
What does DHCP Option 43 provide for in a Cisco WLAN? DNS server name DNS domain name default gateway WLC IP address
WLC IP address
28
Which wireless solution is used for branch and remote office deployments and eliminates the need for a WLC on each location? AP in FlexConnect mode AP in Local mode standalone AP WLC in FlexConnect mode
AP in FlexConnect mode