Accessing the WAN – Chapter 4 docx
Accessing the WAN – Chapter 4 docx
...
information
–Bots within the organization
–Theft of customer or employee
data
–Abuse of wireless network
–System penetration
–Financial fraud
–Password sniffing
–Key logging
–Website defacement ...
–Insider abuse of network
access
–Virus
–Mobile device theft
–Phishing where an
organization is fraudulently
represented as the sender
–Instant messaging misuse
–Denial of...
Accessing the WAN – Chapter 2 docx
... the remote DCE, which
decodes the signal back into a sequence of bits.
The remote DCE then signals this sequence to the
remote DTE.
The connection between the two DCE devices is
the WAN ... request requires no
authentication, then PPP progresses to the
next level.
–If an incoming PPP request requires
authentication, then it can be
authenticated using either the...
Accessing the WAN – Chapter 1 ppt
... as Frame Relay.
–However, there are times when the benefits outweigh
the cost of the leased line.
The dedicated capacity removes latency or jitter
between the endpoints.
–Constant availability ... modem.
The modem modulates the binary data into an analog signal
at the source and demodulates the analog signal to binary
data at the destination.
The physical charact...
Accessing the WAN – Chapter 3 potx
... LANs
–A router on each LAN is the DTE.
–A serial connection, such as a T1/E1 leased line,
connects the router to the Frame Relay switch of
the carrier at the nearest POP for the carrier.
The ... statistics.
–This command is also useful for viewing
the number of BECN and FECN packets
received by the router.
The PVC status can be active, inactive, or
deleted.
–Once...
Accessing the WAN – Chapter 5 pdf
... Chapter 6
22
Where to Place ACLs
Standard ACL: In the figure, the administrator
wants to prevent traffic originating in the
192.168.10.0/ 24 network from getting to the
192.168.30.0/ 24 ... If the packet is permitted by the tests, it is
then processed for routing.
–Outbound ACLs - Incoming packets are
routed to the outbound interface, and then
they are processed...
Accessing the WAN – Chapter ppt
... connectivity through the
residence.
– Since the POTS splitter separates the ADSL and
voice signals at the NID, there is usually only
one ADSL outlet available in the house.
– The user can install ... fiber in the trunks:
–Reduces the number of amplifiers
–Thin and lightweight—takes less space
–Covers longer distances
–Induces less or virtually no noise
–Less lo...
Accessing the WAN – Chapter 7 pot
...
reassignment of the IP address to another client later, or for the client to get
another assignment if the client moves to another subnet. Clients may also renew
leases and keep the same IP address. ... clients. The problem is that the network clients typically are
not on the same subnet as those servers. Therefore, the clients must locate
the servers to receive services...
Accessing the WAN – Chapter 8 ppsx
... for the external system.
Step 3. Narrow the scope
–Determine if the problem is at the core, distribution, or
access layer of the network.
Step 4. Gather symptoms from suspect devices
–Use ... with the hubs of the stars
linked to form the region.
•interconnect the regions to form the core of the WAN.
– Regions could be geographic, connecting between three...
Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-JANE EYRE CHARLOTTE BRONTE Chapter 4 docx
... and then hurrying me to the top of the stairs, bid me go down
directly, as I was wanted in the breakfast-room.
I would have asked who wanted me: I would have demanded if Mrs. Reed
was there; ... listening to the
sound of the piano or the harp played below, to the passing to and fro of the
butler and footman, to the jingling of glass and china as refreshments were
hande...
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