What Accurate 100-105 dumps Is?

Answer: A,C

Explanation:

https://learningnetwork.cisco.com/thread/6248

They are locally significant only, and have no bearing on the structure of any OSPF packet or LSA update. So you can have a separate process-id on every single router in your network if you so desire.

Answer: B,C

Explanation:

A single interface may be assigned multiple addresses of any type (unicast, anycast, multicast).

Every IPv6-enabled interface must contain at least one loopback and one link-local address.

Optionally, every interface can have multiple unique local and global addresses. IPv6 host addresses can be assigned in multiple ways:

Static configuration Stateless autoconfiguration DHCPv6

When IPv6 is used over Ethernet networks, the Ethernet MAC address can be used to generate the 64-bit interface ID for the host. This is called the EUI-64 address.

Since MAC addresses use 48 bits, additional bits must be inserted to fill the 64 bits required.

Reference: http://www.cisco.com/en/US/technologies/tk648/tk872/technologies_white_paper0900aecd 8026003d.pdf

Answer: A,B,E

Explanation:

Half-duplex Ethernet is defined in the original 802.3 Ethernet and Cisco says you only use one wire pair with a digital signal running in both directions on the wire. It also uses the CSMA/CD protocol to help prevent collisions and to permit retransmitting if a collision does occur. If a hub is attached to a switch, it must operate in half-duplex mode because the end stations must be able to detect collisions. Half-duplex Ethernetu2014typically 10BaseTu2014is only about 30 to 40 percent efficient as Cisco sees it, because a large 10BaseT network will usually only give you 3- to 4Mbpsu2014at most.

Full-duplex Ethernet uses two pairs of wires, instead of one wire pair like half duplex. Also, full duplex uses a point-to-point connection between the transmitter of the transmitting device and the receiver of the receiving device, which means that with full-duplex data transfer, you get a faster data transfer compared to half duplex. And because the transmitted data is sent on a different set of wires than the received data, no collisions occur. The reason you donu2021t need to worry about collisions is because now Full-duplex Ethernet is like a freeway with multiple lanes instead of the single-lane road provided by half duplex. Full-duplex Ethernet is supposed to offer 100 percent efficiency in both directions; this means you can get 20Mbps with a 10Mbps Ethernet running full duplex, or 200Mbps for FastEthernet.

Answer: C

Explanation:

With network 192.168.20.24/29 we have:

Increment: 8 (/29 = 255.255.255.248 = 11111000 for the last octet) Network address: 192.168.20.24 (because 24 = 8 * 3)

Broadcast address: 192.168.20.31 (because 31 = 24 + 8 u2013 1)

Therefore the first usable IP address is 192.168.20.25 (assigned to the router) and the last usable IP address is 192.168.20.30 (assigned to the sales server). The IP address of the router is also the default gateway of the sales server.

Answer: D

Explanation:

The u201cshow ip ospf databaseu201d command displays the link states. Here is an example: Here is the lsa database on R2.

R2#show ip ospf database

OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 793 0x80000003 0x004F85 2

10.4.4.4 10.4.4.4 776 0x80000004 0x005643 1

111.111.111.111 111.111.111.111 755 0x80000005 0x0059CA 2

133.133.133.133 133.133.133.133 775 0x80000005 0x00B5B1 2

Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum10.1.1.1 111.111.111.111 794 0x80000001 0x001E8B

10.2.2.3 133.133.133.133 812 0x80000001 0x004BA9

10.4.4.1 111.111.111.111 755 0x80000001 0x007F16

10.4.4.3 133.133.133.133 775 0x80000001 0x00C31F

Answer: B

Explanation:

HELLO messages are used to maintain adjacent neighbors so even when the network is converged, hellos are still exchanged. On broadcast and point-to-point links, the default is 10 seconds, on NBMA the default is 30 seconds.

Although OSPF is a link-state protocol the full database from each router is sent every 30 minutes (not seconds) therefore, C and D are not correct.

Answer: D

Explanation:

One of the key advantages IPv6 brings is the exponentially larger address space. The following will outline the basic address architecture of IPv6.

128-bit-long addresses Represented in hexadecimal format:

Uses CIDR principles: prefix/prefix length x:x:x:x:x:x:x:x, where x is a 16-bit hex field The last 64 bits are used for the interface ID

http://www.cisco.com/en/US/technologies/tk648/tk872/technologies_white_paper0900aecd 8026003d.pdf

Answer: C

Explanation:

The keyword overload used in theip nat inside source list 1 pool ovrld overload example command allows NAT to translate multiple inside devices to the single address in the pool.

The types of NAT include:

Static address translation (static NAT)u2014Allows one-to-one mapping between local and global addresses.

Dynamic address translation (dynamic NAT)u2014Maps unregistered IP addresses to registered IP addresses from a pool of registered IP addresses.

Overloadingu2014Maps multiple unregistered IP addresses to a single registered IP address (many to one) using different ports. This method is also known as Port Address Translation (PAT). By using overloading, thousands of users can be connected to the Internet by using only one real global IP address.

Answer: D

Explanation:

IPv6 Address Notation

IPv6 addresses are denoted by eight groups of hexadecimal quartets separated by colons in between them.

Following is an example of a valid IPv6 address: 2001:cdba:0000:0000:0000:0000:3257:9652

Any four-digit group of zeroes within an IPv6 address may be reduced to a single zero or altogether omitted.

Therefore, the following IPv6 addresses are similar and equally valid: 2001:cdba:0000:0000:0000:0000:3257:9652

2001:cdba:0:0:0:0:3257:9652

2001:cdba::3257:9652

Reference: http://www.ipv6.com/articles/general/IPv6-Addressing.htm

Answer: A

Explanation:

The well-known formula to calculate OSPF cost is Cost = 108/ Bandwidth