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Terms & Definitions Flashcards

(65 cards)

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1
Q

What is the default Hello & Hold Timers for HSRP?

A

Hello: 3 seconds
Hold: 10 seconds

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2
Q

What is the default Hello & Hold Timers for VRRP?

A

Hello: 1 second
Hold: 3 seconds

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3
Q

What is the default Hello & Hold Timers for GLBP?

A

Hello: 3 seconds
Hold: 10 seconds

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4
Q

Describe SNMP v2c.

A

64bit counters

Read Only & Read/Write modes

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5
Q

Describe SNMP v3

A

64bit counters
Read Only & Read/Write modes
Encryption
User Authentication

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6
Q

What are the types of switching modes?

A

Store & Forward
Cut-through Switching
Fragment Free

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7
Q

Describe Store & Forward switching.

A

Accepts every bit, error checks, then sends to destination.

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8
Q

Describe Cut-through switching.

A

Reads only the bits in each frame until it has enough to forward to its destination.

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9
Q

Describe Fragment Free switching.

A

Variation of Cut-through.

Accepts the first 64 bits, then forwards. Errors typically within the first 64 bits.

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10
Q

List the etherchannel modes for PAgP & LACP

A

PAgP: Auto, Desirable
LACP: Active, Passive
* use one of each, never use two passive/desirable or they will not connect

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11
Q

Define and describe VTP?

A

VLAN Trunking Protocol: protocol that replicates vlan information to other devices

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12
Q

List the modes of VTP.

A

Server, Client, Transparent

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13
Q

How is the device chosen that will replicate VTP information?

A

Highest revision number

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14
Q

List the messaging types in IPv4.

A

Unicast, Broadcast, Multicast

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15
Q

List the messaging types in IPv6.

A

Unicast, Multicast, Anycast

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16
Q

What are the layers of the OSI model?

A

1: Physical
2: Data Link
3: Network
4: Transport
5: Session
6: Presentation
7: Application

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17
Q

Give an example of a data unit for each layer of the OSI model.

A

1: Physical - Bit
2: Data Link - Frame
3: Network - Packet
4: Transport - Segment
5: Session - Data
6: Presentation - Data
7: Application - Data

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18
Q

Provide the Class A subnet range, net mask, and CIDR notation.

A

Class A:
0.0.0.0-127.255.255.255
255.0.0.0
/8

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19
Q

Provide the Class B subnet range, net mask, and CIDR notation.

A

Class B:
128.0.0.0-191.255.255.255
255.255.0.0
/16

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20
Q

Provide the Class C subnet range, net mask, and CIDR notation.

A

Class C:
192.0.0.0-223.255.255.255
255.255.255.0
/24

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21
Q

Provide the Class D subnet range, net mask, and CIDR notation.

A

Class D:

224.0.0.0-239.255.255.255

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22
Q

Provide the Class E subnet range, net mask, and CIDR notation.

A

Class E:

240.0.0.0-255.255.255.255

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23
Q

What is CSMA/CD?

A

Carrier Sense Multiple Acces with Collision Detection - is a technology used in early ethernet to avoid collisions on the network

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24
Q

What is a CAM table?

A

Content Addressable Memory - a dynamic table in a switch that maps MAC addresses to network ports.

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25
Define ARP.
Address Resolution Protocol
26
What is the purpose of ARP?
to convert an IP address to its corresponding physical network address (MAC); operates on layer 2
27
List the port states in RSTP.
Discarding, Learning, Forwarding
28
Describe the Discarding state in RSTP.
does not process frames, listens for BPDUs
29
Describe the Learning state in RSTP.
receives/transmits BPDUs, learns MAC, doesn't forward frames
30
Describe the Forwarding state in RSTP.
sends/receives data, learns MAC, receives/transmits BPDUs
31
What is the IEEE standard for RSTP?
802.1w
32
List the port roles for RSTP.
Root Port, Designated Port, Alternate Port, Backup Port
33
Define Root Port (RSTP).
A forwarding port closest to the root bridge.
34
Define Designated Port (RSTP).
A forwarding port for every LAN segment.
35
Define Alternate Port (RSTP).
A best alternative path to the root bridge.
36
Define Backup Port (RSTP).
A backup path to a segment where another bridge port is already connected.
37
What is the IEEE standard for STP?
802.1D
38
Define STP.
Spanning Tree Protocol
39
List the port roles for STP.
Root Port, Designated Port, Non-designated/Blocking Port
40
Define Root Port (STP).
A port on a non-root switch which is the shortest(best) path to the root bridge.
41
Define Designated Port (STP).
A port in a forwarding state. All ports of the root bridge are Designated Ports. BPDU frames sent out these ports.
42
Non-Designated/Blocking Port
A port in a blocking state
43
List the STP port states.
Disabled, Blocking, Listening, Learning, Forwarding
44
What is the STP cost value for 10Mbps?
100
45
What is the STP cost value for 100Mbps?
19
46
What is the STP cost value for 1Gbps?
4
47
What is the STP cost value for 10Gbps?
2
48
How is the Root Bridge selected in STP?
-----
49
Describe the router boot process.
1: Device is powered on 2: The bootstrap program (ROMmon) in ROM runs POST 3: The bootstrap checks the config registered, IOS image is loaded from flash into RAM 4: startup_config is loaded from NVRAM
50
What 5 items are included in EIGRP metric calculation?
Bandwidth, Delay, Reliability (Default) | Loading, MTU (Optional)
51
What is the administrative distance for Connected?
0
52
What is the administrative distance for a Static route?
1
53
What is the administrative distance for a BGP route?
20
54
What is the administrative distance for a EIGRP route?
90
55
What is the administrative distance for a IGRP route?
100
56
What is the administrative distance for a OSPF route?
110
57
What is the administrative distance for a IS-IS route?
115
58
What is the administrative distance for a RIP route?
120
59
What is the OSPF link cost for 56Kbps?
1785
60
What is the OSPF link cost for T1 (1.544Mbps)?
64
61
What is the OSPF link cost for E1 (2.048Mbps)?
48
62
What is the OSPF link cost for Ethernet?
10
63
What is the OSPF link cost for FastEthernet?
1
64
What is the OSPF metric formula?
100 / Bandwidth in Mbps
65
List the 8 OSPF states.
1: Down 2: Attempt 3: Init 4: 2-way 5: Ex-start 6: Exchange 7: Loading 8: Full

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