Day 30

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1. The role of the OSI _____ Layer is to break down the data from the higher layers into smaller parts, which are referred to as segments (at this layer). Virtual circuits are set up here, which are required before devices can communicate.

Session

Transport

Presentation

Network

Question 1 of 22

2. ____ mandates that before a network host permanently configures its own IPv6 address during boot up, it should validate that another network host is not already using the IPv6 address it wants to use.

ARP for IPv6

Neighbor Solicitation Multicast

Duplicate Address Detection

Neighbor Advertisement Detection

Question 2 of 22

3. A stateless firewall doesn’t have the enhanced capability to make decisions based on historical data (i.e., it isn’t aware of whether the packet is part of an existing connection or a new one).

True

False

Question 3 of 22

4. One exception to the broadcast rule is that, if an ARP broadcast reaches a router, it will forward it (by default).

True

False

Question 4 of 22

5. In order to interface with the upper and lower levels, the OSI Data Link Layer is further subdivided into? (choose two)

Logical Link Control (LLC)

Local Data Control (LDC)

Logical Access Control (LAC)

Media Data Control (MDC)

Media Access Control (MAC)

Question 5 of 22

6. The role of the OSI ______ Layer is to set up, manage, and terminate sessions or dialogues between devices.

Presentation

Transport

Network

Session

Question 6 of 22

7. An IP flow can be based on which of the following packet attributes?

Destination address

Layer 3 protocol type

Router or switch interface

Source address

Source port

Class of Service

Question 7 of 22

8. According to the Cisco design model, any programming that requires additional processor speed or memory should be done in the core. You would add ACLs, QoS, or any other programming here due to the high processing power of the core devices.

True

False

Question 8 of 22

9. You can debug SNMP traffic with the _______ command.

debug nms

debug 161

debug snmp

debug management

Question 9 of 22

10. Match the layers to the services of the OSI model.

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

Question 10 of 22

11. Upon receiving the IPv6 Router Solicitation (RS) message, routers advertise their presence using ______ messages, which typically include prefix information for the local link as well as any additional configuration, such as suggested hop limits.

Router Advertisement (RA)

Router Response (RR)

Router Reply (RR)

Router Neighbor (RN)

Question 11 of 22

12. The default bits per second setting for a console session are?

256

1800

1024

9600

Question 12 of 22

13. IPv6 has security capabilities built in, including authentication and privacy via IPSec.

True

False

Question 13 of 22

14. Which pinouts are swapped to create a crossover cable? (choose all that apply)

2-6

5-8

4-2

1-3

Question 14 of 22

15. 11111100 in binary is what in decimal?

192

224

252

254

Question 15 of 22

16. Which command results in the output below?

Interface Serial0/1/0 Hardware is PowerQUICC MPC860 DCE V.35, no clock

show interfaces

show serial

show version

show hardware

show controllers

Question 16 of 22

17. LWAPs typically use a protocol called CAPWAP (Control and Provisioning of Wireless Access Points).

True

False

Question 17 of 22

18. You issue a 'traceroute' command and see in the outputs the letter 'Q'. What does this indicate?

Source quench received

Packet blocked by access list

Unknown destination

Packet blocked by firewall

Timeout

Question 18 of 22

19. If a host has not been configured with an IPv6 address, it can use one of these three methods to obtain one, as well as other network settings such as the DNS server address.

ARP for IPv6

Stateful DHCPv6

Stateful NAT

Stateless DHCPv6

Router Solicitation Protocol

SLAAC – Stateless Autoconfiguration

Question 19 of 22

20. ICMPv6 is a core component of IPv6. Within IPv6, ICMPv6 is used for which of the following? (choose all which apply)

IPv6 prefix renumbering

Duplicate Address Detection (DAD)

Path MTU Discovery (PMTUD)

IPv6 stateless autoconfiguration

The replacement of ARP

Question 20 of 22

21. A gratuitous ARP request is an ARP request packet where the source MAC, the source IP, and the destination IP addresses are all set to the IP address of the machine issuing the packet, and the destination MAC is the broadcast address FFFF: FFFF: FFFF.

True

False

Question 21 of 22

22. HTTP with TLS/SSL (HTTPS) uses port ____.

161/162

443

141

Question 22 of 22

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