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CCNP_MeasureUp > Infrastructure > Flashcards

Infrastructure Flashcards

1
Q

OSPF Maximum Number of load balanced paths

A

16

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2
Q

OSPF Default number of load balanced paths

A

4

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3
Q

Is an ARP table in the data plane?

A

No - it is in the control plane

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4
Q

What plane is the FIB and Adjacency Table in?

A

Data plane

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5
Q

In RSTP what RSTP states are referred to as “Blocking”

A

Blocking
Disabled
Listening

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6
Q

What additional information would be needed to capture data?

A

Goto individual interface and enter ip flow ingress or ip flow egress

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7
Q

In VTP Pruning can VLAN 1 be pruned?

A

no

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8
Q

WHat is VTP Pruning

A

Using CDP the device knows what VLAN’s are allowed on the neighbouring interface and then stops VLAN broadcasting to that device

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9
Q

What is the benefit of VTP Pruning

A

Reduces unnecessary broadcasts

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10
Q

What method enables improved (Detailed) IP SLA info?

A

COnfigure ip sla responder on destionation router

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11
Q

What command is used to configure Port-ACL’s

A

ip access-group

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12
Q

What EIGRP K values are enabled by default?

A

K1 and K3

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13
Q

EIGRP formula

A
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14
Q

EIGRP classic v wide

A
  • 32-bit v 64 bit
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15
Q

EIGRP WIde formula

A
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16
Q

Command to enable BPDU Guard on all PortFast ports?

A

spanning-tree portfast bpduguard defualt

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17
Q

If a port in an PortChannel is made so it is not compatible with another port, what happens?

A

Port is Suspended

Port is disabled

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18
Q

Does HSRP support millisecond timers?

A

Yes

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19
Q

HSRP requires layer _ connectivity between routers.

A

2

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20
Q

HSRP states

A

Initial
Listen
Speak
Standby
Active

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21
Q

HSRP - Initial

A

HSRP doesn’t run. This state is seen when an interface comes up

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22
Q

HSRP - Listen

A

listens for hellos, knows the virtual IP

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23
Q

HSRP - Speak

A

sends hellos and participates in the election

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24
Q

HSRP - Standby

A

candidate for next active router

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25
Q

HSRP - Active

A

currently forwards packets sent to the virtual IP

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26
Q

It’s important that the HSRP Active router is also the _________ in order to avoid suboptimal path

A

spanning tree root

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27
Q

Command to set HSRP timers in milliseconds

A

DSW1(config-if)#standby 1 timers msec 200 msec 600

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28
Q

With the command:
standby <number> track <Interface>
What happens?</Interface></number>

A

If interface goes down, HSRP group priority is decreased by 50

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29
Q

HSRP preempt delay time - which should this be timed to?

A

The preempt delay has been kept at 60 but Cisco recommends timing the switch boot time and setting the delay value accordingly.

30
Q

In HSRP, if a router is not an Active ro Standby router - what state are they in?

A

Listen

31
Q

HSRP - how many routers can be in the active and standby state?

A

1 - one for each state

32
Q

Way to remember HSRP states

A

I shall
Learn
Standby
Systems
Anxiously

33
Q

HSRPv1 port number

A

1985

34
Q

HSRPv1 group address

A

0000.0c07.acXX (XX = group number)

35
Q

HSRPv2 group address

A

0000.0c9f.fxxx (XXX = group number)

36
Q

HSRPv2 port number

A

1985

37
Q

HSRP for IPv6 (HSRPv2) port number

A

2029

38
Q

HSRP for IPv6 Link Local address

A

FF02::66

39
Q

Where are these mac addresses sued

A

MAC 0005.73A0.000 – 0005.73A0.0FFF (4096 addresses)

40
Q

HSRP for IPv6 MAC address

A

MAC 0005.73A0.000 – 0005.73A0.0FFF (4096 addresses)

41
Q

Do Router and network LSA’s carry IP information in OPSFv3?

A

No - just express topology

42
Q

Role of OSPFv3 Type 8 LSA

A

Link LSA
contain information just about the link-local IPv6 prefixes

43
Q

Role of OSPFv3 Type 9 LSA

A

Intra-area-prefix LSA
Carry address information
Essentially the prefix info previously carried in Router/Network LSA is now split into a type 9

44
Q

What was OSPFv2 Summary LSA and ASBR SUmmary LSA renamed t

A

Type 3 - Interarea-prefix SLA’s
Type 4 - Interarea-router LSA’s

45
Q

CEF - what are the two available types of balancing?

A

Per Destination
Per-Packet

46
Q

CEF - what are the types of algorithm avaliable?

A
  • Original
  • Universal
  • Tunnel
  • Include Ports
47
Q

CEF default algorithm

A

Universal

48
Q

CEF command to configure balancing type

A

ip load-sharing per-destination OR ip load-sharing per-destination

49
Q

CEF command to configure algorithm type

A

ip cef load-sharing algorithm

50
Q

CEF - Per-destination v Per-Packet advantages and diadvantages

A
  • Per-Packet less affected by lots of similar src-dest flows
  • Per-Packet can deliver packets in the wrong order
51
Q

In OSPF what is elected first - the BDR or the DR

A

BDR

52
Q

What protocol number is used for GRE

A

47

53
Q

What is TCP’s default segment size

A

536

54
Q

User Level 0 privilages

A
55
Q

Is Telnet avalaible to Level 1 users?

A

Yes

56
Q

When would you see the following STP error message?

A
57
Q

ACL numbers requried for MAC ACL

A

700-799

58
Q

What direction can MAC ACL’s be applied

A

Inwards only

59
Q

ACL numbers required for Internetwork packet exchange

A

800-899

60
Q

Syslog Port Number

A

514

61
Q

Type 5 Password Type

A

MD5

62
Q

Type 7 Password Type

A

Vigenere

63
Q

Type 4 Password Type

A

SHA-256

64
Q

Type 8 Password Type

A

PBKDF2 with SHA-256

65
Q

Type 9 Password Type

A

scrypt

66
Q

GRE Protocol Number

A

47

67
Q

UDP Protocol Number

A

17

68
Q

ICMP Protocol Number

A

1

69
Q

ICMP Protocol Number

A

1

70
Q

Local Preference - higher or lower preferred?

A

Higher

71
Q

Local Preference default value

A

100

CCNP_MeasureUp (5 decks)

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