Day 30

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

Network

Session

Presentation

Transport

Question 1 of 22

2. 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 2 of 22

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

IPv6 prefix renumbering

The replacement of ARP

Duplicate Address Detection (DAD)

Path MTU Discovery (PMTUD)

IPv6 stateless autoconfiguration

Question 3 of 22

4. 11111100 in binary is what in decimal?

192

252

254

224

Question 4 of 22

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

1024

9600

256

1800

Question 5 of 22

6. 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 Neighbor (RN)

Router Reply (RR)

Question 6 of 22

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

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

Question 7 of 22

8. Which command results in the output below?

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

show hardware

show interfaces

show serial

show controllers

show version

Question 8 of 22

9. 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 9 of 22

10. 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

Packet blocked by firewall

Unknown destination

Timeout

Question 10 of 22

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

debug management

debug nms

debug 161

debug snmp

Question 11 of 22

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

True

False

Question 12 of 22

13. ____ 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.

Duplicate Address Detection

Neighbor Solicitation Multicast

Neighbor Advertisement Detection

ARP for IPv6

Question 13 of 22

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

Media Data Control (MDC)

Logical Link Control (LLC)

Logical Access Control (LAC)

Local Data Control (LDC)

Media Access Control (MAC)

Question 14 of 22

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

True

False

Question 15 of 22

16. 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 NAT

SLAAC – Stateless Autoconfiguration

Stateless DHCPv6

Stateful DHCPv6

Router Solicitation Protocol

Question 16 of 22

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

Source port

Destination address

Class of Service

Router or switch interface

Layer 3 protocol type

Source address

Question 17 of 22

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

2-6

5-8

4-2

1-3

Question 18 of 22

19. 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

Network

Presentation

Question 19 of 22

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

161/162

141

443

Question 20 of 22

21. 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 21 of 22

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

True

False

Question 22 of 22

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