What is an "MTU black hole"?
What will be an ideal response?
It is a condition in which some network devices, such as firewalls and routers, block ICMP and prevent PMTU discovery. In many cases, going into the router or firewall and turning off ICMP blocking is all you need to do to fix the problem, assuming you have administrative control over these devices.
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Some larger mobile phones display pages at screen widths of 600 pixels or more in ____ mode.
A. portrait B. normal C. page D. landscape
A main difference between the tablet and the smartphone is the ________
A) operating system B) Internet connectivity C) touch-screen interface D) screen size
Describe the Windows shell.
What will be an ideal response?
If you want to modify the style of a particular HTML element, it is necessary to assign a(n) ____ to the element.
A. name B. id C. frameset D. placeholder