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General Network Knowledge > Timers 7/28 > Flashcards

Timers 7/28 Flashcards

1
Q

Rapid STP MaxAge Timer

A

6 seconds

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2
Q

Normal STP - Hello Interval

A

2 seconds

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3
Q

Normal STP - MaxAge Timer

A

20 seconds (10 times the Hello Timer)

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4
Q

Normal STP - Forward Delay

A

15 seconds

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5
Q

Normal STP - Listening State

A

15 seconds

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6
Q

Normal STP - Learning State

A

15 seconds

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7
Q

EIGRP Hello Timer for fast link

A

5 seconds

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8
Q

EIGRP Hold Down Timer for fast link

A

15 seconds

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9
Q

OSPF Hello Timer on a Broadcast Network

A

10 seconds

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10
Q

OSPF Dead Timer on a Broadcast and Pt-to-Pt Network

A

40 seconds

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11
Q

LSA refreshed by the source

A

30 minutes

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12
Q

Ethernet keepalive

A

10 seconds

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13
Q

HDLC keepalive

A

10 seconds

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14
Q

RIP Updates

A

30 seconds

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15
Q

VTP Updates

A

5 minutes

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16
Q

Access Point Keepalives

A

30 seconds

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17
Q

OSPF Hello on Non-broadcast Networks

A

30 seconds

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18
Q

OSPF Dead Interval on Non-broadcast Networks

A

120 seconds (2 minutes)

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19
Q

BGP Hold Timer

A

180 seconds (3 minutes)

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20
Q

BGP Keepalive Timer

A

60 seconds

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21
Q

Wireless AP to WLC keepalive

A

30 seconds

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22
Q

GRE VPN Tunnel keep alive

A

10 seconds with 3 retries

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23
Q

Default Exec Timeout for line vty, con, aux

A

10 minutes

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24
Q

Multicast: Default Max Response Time in a General Membership Query

A

10 seconds

25
Q

In Mullticast: how long does it take in PIM-DM for Prunes to expire?

A

3 minutes

26
Q

In multicast, what is the default DR Hold timer

A

105 seconds by default (3.5 times the 30 second Hello timer)

27
Q

In Multicast, what is the default DR Hello timer?

A

30 seconds

28
Q

In multicast, PIM Hello messages default

A

every 30 seconds

29
Q

LSA removed from the LSDB

A

60 minutes

30
Q

Multicast: the default Cisco-RP-Announce interval

A

60 seconds

31
Q

Multicast: Cisco-RP-Discovery interval

A

60 seconds

32
Q

Multicast: BSR sends BSR messages with group-to-RP mapping cache

A

60 seconds

33
Q

BGP Hold Timer during the Active state

A

4 minutes

34
Q

DTP Advertisements

A

Every 30 seconds

35
Q

VTP Summary Advertisements

A

Every 5 minutes

36
Q

LACP advertisements (original standard)

A

Every 30 seconds

37
Q

LACP Advertisements in Fast mode

A

Every second

38
Q

Multicast Querier Interval

A

60 seconds

39
Q

IGMP Querier Timeout

A

120 seconds (twice the query interval)

40
Q

HSRPv1 and v2 default Hello timer

A

3 seconds

41
Q

HSRPv1 and 2 default Hold timer

A

10 seconds (~ 3 times the hello timer)

42
Q

VRRP default advertisement interval

A

every second

43
Q

VRRP Master-down interval (hold timer)

A

3 seconds (3 times the advertisement interval)

44
Q

GLBP Hello messages

A

every 3 seconds

45
Q

EIGRP Hold Down Timer for slow link

A

180 seconds (3 times the Hello timer)

46
Q

EIGRP Hello timer for a slow link

A

60 seconds

47
Q

OSPF Hello Timer on a Point-to-point Network

A

10 sec

48
Q

OSPF Hello Timer on Point-to-multipoint network

A

30

49
Q

OSPF Dead Interval on Point-to-multipoint networks

A

120 sec

50
Q

OSPF Hello on Broadcast Networks

A

10 sec

51
Q

OSPF Dead Interval on Broadcast Networks

A

40 sec

52
Q

OSPF Dead Interval on Point-to-point networks

A

40 sec

53
Q

UDLD Message Interval

A

15 seconds

54
Q

EIGRP Active Timer

A

180 seconds - 3 minutes

55
Q

OSPF Wait Time (the time a router waits before having a DR election when it first sees a Hello msg with DR Router 0.0.0.0)

A

40 seconds (equivalent to the Dead time)

56
Q

Default MPLS LDP Hello interval

A

5 seconds

57
Q

Default MPLS LDP Hello Hold timer

A

15 seconds

58
Q

What is the default NHRP cache timer?

A

2 hours

General Network Knowledge (29 decks)

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