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MY CCNA 201-300 cards AUG 2023 > Deck 2 > Flashcards

Deck 2 Flashcards

1
Q

OSPF belongs in what plane?

What about IPV4 packets?

A

-Control
-Data

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2
Q

How does a Cisco Unified Wireless Network respond to Wi-Fi channel overlap?

A

analyse client load/noise and dynamically assign channel

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3
Q

802.11 management frame that responds to request?

A

probe (responds to probe request)

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4
Q

This plane deals with routing protocols AND certain network request (ICMP request, etc)

A

Control plane

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5
Q

All other areas in OSPF must connect to this area

A

Area 0

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6
Q

OSPF default AD is?

-Routers take the OSPF route only in what conditions?

A

110

-no other routes with a lower AD than 110

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7
Q

global unicast address range?

A

2000::/3-3fff

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8
Q

….. is reserved for future use.
…. is currently the prefix used for ULAs.

A

-fc00::/8
-fd00::/8

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9
Q

EUI-64 method for creating IPV6 addresses

A
  1. Split MAC in half
  2. place ff at end of first half and fe at beginning of second half
    3.flip seventh bit of first octet of MAC address
  3. Add network address to beginning of all that
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10
Q

Happens when a switch ALREADY know the MAC address (its in the table)

A

frame switching

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11
Q

single IPV6 address that can be given to multiple clients to support redundancy and short path routing?

A

Anycast

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12
Q

It serves as the centralized management point of an SDN architecture

A

A controller

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13
Q

SSIDs are how many characters long at most?

A

32

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14
Q

identifies interfaces on IPV6 devices and includes loopback and link-local addresses

A

Unicast

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15
Q

address used exclusively by non-host devices

A

anycast

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16
Q

Controlled-based/SDN uses disaggregation to separate?

A

control and data plane

17
Q

Controller-based/SDN networks do what specifically to the control plane?

A

-centralize it

18
Q

Prime example of intermittent network outages?

A

-Transceiver mismatches (using SFP-SR on one end and -LR on the other)

19
Q

Two characteristics of access layer in 3 tier networking?

A

-connect endpoint devices
-layer where APs are found

20
Q

BREAK IT DOWN. HAMMER TIME!

interface GigabitEthernet0/0.10 encapsulation dot1Q 3 ip address 10.10.2.10 255.255.254.0

A

-sub-interface created on G0/0 on ROUTER
-.10 corresponds to the .10 of the gateway address for inter-vlan routing (as is tradition)

21
Q

Quick way to find last usable for a network?

A

-take where last bit of octat of interest ends (ex: 11111100)
-in ex, octat ends in 4 spot
-means network address (ex: 192.168.1.0) increments by 4s
-if provided with addresses on exam already, subtract 2 from them to determine if it is divisible by where octat value ends. if it is, that answer is correct

22
Q

Defines private IP addressses and purpose is to ALLEVIATE IPV4 shortage

A

RFC 1918

23
Q

Address that is for experimental purposes in IPV6?

Also, both unique local and link local are non-routable. What defines link local from unique local?

A

-2001:db8::/32
-link local address (FE80) is created on EVERY IPV6 enabled link

24
Q

A log that has a BUNCH of CRC errors but no collisions means the following are bad, typically

A

-cables, transceivers, or switch ports

25
Q

Link Local address are NOT comparable to IPV4 private addresses you STUPID FUCK. What are?

A

unique local (FD00)

26
Q

Link local address are used a next hop address for what protocols?

AND WHY?

A

-route adverts
-ospf, eigrp, rip
-conserve global addresses and because link locals usually stay the same

27
Q

an err-disabled state that occurs when a port rapidly go between up and down

A

link flapping

28
Q

two ports between switches need to have the same

A

speeds

29
Q

PAT is jus another way of saying

A

private IP addressing

30
Q

this aliases one name to another?

this supports reverse name lookups?

-This associates domain serial number with its owner?

A

-CNAME

-PTR

-SOA

31
Q

-correlates domain with its auth name serves

-correlates host name with IP address

A

-NS
-AAAA

32
Q

10GBASE-T (twisted pair) and CAT5e both support which speeds?

A

2.5 and 5 Gbps

33
Q

Cat3 speed?
1000Base-lx/lh speed?
Cat5?

A

-10 mbps
-1 Gbps
-100 mbps

34
Q

characteristics of 1000Base-zx?
characteristics of 1000Base-lx/lh?

A

-longer wavelength than lx/lh
-single mode
-up to 70km

-multimode/single mode
-up to 10km

35
Q

link local addresses are AUTOMATICALLY created. This differs from this type address that AUTOMATICALLY joins interfaces to it based on role/group

A

multicast

MY CCNA 201-300 cards AUG 2023 (4 decks)

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